# Dual MOSFET, N Channel, 30 V, 118 A, 0.008 ohm

![Product image](https://novapart.co/image/farnell:3616891/)

**URL**: https://novapart.co/products/FDMS3664S/dual-mosfet-n-channel-30-v-118-a-0008-ohm
**SKU**: FDMS3664S
**Manufacturer**: ONSEMI
**Category**: Semiconductors - Discretes || FETs || Dual MOSFETs
**Price**: €0.4510
**Stock**: 10+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | Lead (25-Jun-2025) |
| No. Of Pins | 8Pins |
| Channel Type | N Channel |
| Product Range | - |
| Qualification | - |
| Transistor Case Style | PQFN |
| Operating Temperature Max | 150°C |
| Power Dissipation N Channel | 2.5W |
| Power Dissipation P Channel | - |
| Drain Source Voltage Vds N Channel | 30V |
| Drain Source Voltage Vds P Channel | - |
| Continuous Drain Current Id N Channel | 118A |
| Continuous Drain Current Id P Channel | - |
| Drain Source On State Resistance N Channel | 0.008ohm |
| Drain Source On State Resistance P Channel | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3616891/)

**DATA SHEET www.onsemi.com** ~~ee~~ 

## MOSFET – Dual, N-Channel, Asymmetric, POWERTRENCH , Power Stage FDMS3664S 

## **General Description** 

This device includes two specialized N−Channel MOSFETs in a dual PQFN package. The switch node has been internally connected to enable easy placement and routing of synchronous buck converters. The control MOSFET (Q1) and synchronous SyncFET (Q2) have been designed to provide optimal power efficiency. 

## **Features** 

## _Q1: N−Channel_ 

- Max RDS(on) = 8 m at VGS = 10 V, ID = 13 A 

- Max RDS(on) = 11 m at VGS = 4.5 V, ID = 11 A 

- _Q2: N−Channel_ 

- Max RDS(on) = 2.6 m at VGS = 10 V, ID = 25 A 

- Max RDS(on) = 3.2 m at VGS = 4.5 V, ID = 22 A 

- Low Inductance Packaging Shortens Rise/Fall Times, Resulting in Lower Switching Losses 

- MOSFET Integration Enables Optimum Layout for Lower Circuit Inductance and Reduced Switch Node Ringing 

- This Device is Pb−Free, Halide Free and is RoHS Compliant 

## **Applications** 

- Computing 

- Communications 

- General Purpose Point of Load 

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Pin 1<br>G1D1D1D1<br>D1<br>PHASE<br>(S1/D2)<br>G2S2S2S2<br>PQFN8 5  6, 1.27P ><br>(Power 56)<br>CASE 483AJ<br>**----- End of picture text -----**<br>


## **MARKING DIAGRAM** 

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**----- Start of picture text -----**<br>
&Z&3&K<br>22CF<br>10OD<br>&Z = Assembly Plant Code<br>&3 = 3−Digit Date Code<br>&K = 2−Digit Lot Run Traceability Code<br>22CF10OD = Specific Device Code<br>**----- End of picture text -----**<br>


## **PIN CONNECTIONS** 

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**----- Start of picture text -----**<br>
Q2<br>S2 5 4 D1<br>S2 6 PHASE 3 D1<br>S2 7 2 D1<br>G2 8 1 G1<br>Q1<br>**----- End of picture text -----**<br>


- Notebook VCORE 

**ORDERING INFORMATION** 

**Device Package Shipping**[†] FDMS3664S PQFN8 3000 / (Pb−Free, Tape & Reel Halide Free) ~~ff~~ †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. 

Publication Order Number: 

**1** 

© Semiconductor Components Industries, LLC, 2012 **December, 2023 − Rev. 3** 

**FDMS3664S/D** 

**FDMS3664S** 

## **MAXIMUM RATINGS** (TA = 25 ° C unless otherwise noted) 

|**MAXIMUM**|**RATINGS**(TA= 25°C unless otherwise noted)|**RATINGS**(TA= 25°C unless otherwise noted)|||||
|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**|||**Q1**|**Q2**|**Unit**|
|VDS|Drain to Source Voltage|||30|30|V|
|VDSt|Drain to Source Transient Voltage (tTransient< 100 ns)|||33|33|V|
|VGS|Gate to Source Voltage (Note 3)|||±20|±12|V|
|ID|Drain Current|Continuous (Package limited)|TC= 25°C|30|60|A|
|||Continuous (Silicon limited)|TC= 25°C|60|118||
|||Continuous|TA= 25°C|13<br>(Note 1a)|25<br>(Note 1b)||
|||Pulsed||40|100||
|EAS|Single Pulse Avalanche Energy|||33<br>(Note 4)|48<br>(Note 5)|mJ|
|PD|Power Dissipation for Single Operation||TA= 25°C|2.2<br>(Note 1a)|2.5<br>(Note 1b)|W|
||||TA= 25°C|1<br>(Note 1c)|1<br>(Note 1d)||
|TJ, TSTG|Operating and Storage Junction Temperature Range|||−55 to +150||°C|



Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 

## **THERMAL CHARACTERISTICS** 

|**THERMAL**|**CHARACTERISTICS**||||
|---|---|---|---|---|
|**Symbol**|**Parameter**|**Q1**|**Q2**|**Unit**|
|R�JA|Thermal Resistance, Junction to Ambient|57<br>(Note 1a)|50<br>(Note 1b)|°C/W|
|R�JA|Thermal Resistance, Junction to Ambient|125<br>(Note 1c)|120<br>(Note 1d)||
|R�JC|Thermal Resistance, Junction to Case|2.9|2.3||



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**2** 

**FDMS3664S** 

**ELECTRICAL CHARACTERISTICS** (TJ = 25 ° C unless otherwise noted) 

|**ELECTRI**|**CAL CHARACTERISTICS**(TJ= 2|5°C unless otherwise noted)|5°C unless otherwise noted)||||||
|---|---|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**|**Test Condition**||**Type**|**Min**|**Typ**|**Max**|**Unit**|
|**OFF CHARACTERISTICS**|||||||||
|BVDSS|Drain to Source Breakdown Voltage|ID= 250�A, VGS= 0 V<br>ID= 1 mA, VGS= 0 V||Q1<br>Q2|30<br>30|−<br>−|−<br>−|V|
|�BVDSS<br>�TJ|Breakdown Voltage Temperature<br>Coefficient|ID= 250�A, referenced to 25°C<br>ID= 10 mA, referenced to 25°C||Q1<br>Q2|−<br>−|16<br>18|−<br>−|mV/°C|
|IDSS|Zero Gate Voltage Drain Current|VDS= 24 V, VGS= 0 V||Q1<br>Q2|−<br>−|−<br>−|1<br>500|�A|
|IGSS|Gate to Source Leakage Current|VGS= 20 V, VDS= 0 V<br>VGS= 12 V, VDS= 0 V||Q1<br>Q2|−<br>−|−<br>−|100<br>100|nA|
|**ON CHARACTERISTICS**|||||||||
|VGS(th)|Gate to Source Threshold Voltage|VGS= VDS, ID= 250�A<br>VGS= VDS, ID= 1 mA||Q1<br>Q2|1.1<br>1.1|1.9<br>1.6|2.7<br>2.2|V|
|�VGS(th)<br>�TJ|Gate to Source Threshold Voltage<br>Temperature Coefficient|ID= 250�A, referenced to 25°C<br>ID= 10 mA, referenced to 25°C||Q1<br>Q2|−<br>−|−6<br>−3|−<br>−|mV/°C|
|RDS(on)|Static Drain to Source On Resis-<br>tance|VGS= 10 V, ID= 13 A<br>VGS= 4.5 V, ID= 11 A<br>VGS= 10 V, ID= 13 A, TJ= 125°C||Q1|−<br>−<br>−|4<br>6<br>5.7|8<br>11<br>8.7|m�|
|||VGS= 10 V, ID= 25 A<br>VGS= 4.5 V, ID= 22 A<br>VGS= 10 V, ID= 25 A, TJ= 125°C||Q2|−<br>−<br>−|2.0<br>2.5<br>2.9|2.6<br>3.2<br>4.5||
|gFS|Forward Transconductance|VDS= 5 V, ID= 13 A<br>VDS= 5 V, ID= 25 A||Q1<br>Q2|−<br>−|62<br>179|−<br>−|S|
|**DYNAMIC**|**CHARACTERISTICS**||||||||
|Ciss|Input Capacitance|Q1:<br>VDS= 15 V, VGS= 0 V, f = 1 MHz<br>Q2:<br>VDS= 15 V, VGS= 0 V, f = 1 MHz||Q1<br>Q2|−<br>−|1325<br>2515|1765<br>3345|pF|
|Coss|Output Capacitance|||Q1<br>Q2|−<br>−|466<br>645|620<br>860|pF|
|Crss|Reverse Transfer Capacitance|||Q1<br>Q2|−<br>−|46<br>74|70<br>115|pF|
|Rg|Gate Resistance|||Q1<br>Q2|0.2<br>0.2|0.6<br>0.9|2<br>3|�|
|**SWITCHING CHARACTERISTICS**|||||||||
|td(on)|Turn-On Delay Time|Q1:<br>VDD= 15 V, ID= 13 A, RGEN= 6�<br>Q2:<br>VDD= 15 V, ID= 25 A, RGEN= 6�||Q1<br>Q2|−<br>−|7.7<br>9.2|15<br>18|ns|
|tr|Rise Time|||Q1<br>Q2|−<br>−|2.2<br>3.4|10<br>10|ns|
|td(off)|Turn-Off Delay Time|||Q1<br>Q2|−<br>−|19<br>28|34<br>46|ns|
|tf|Fall Time|||Q1<br>Q2|−<br>−|1.8<br>2.4|10<br>10|ns|
|Qg(TOT)|Total Gate Charge|VGS= 0 V to 10 V|Q1:<br>VDD= 15 V, ID= 13<br>A<br>Q2:<br>VDD= 15 V, ID= 25<br>A|Q1<br>Q2|−<br>−|21<br>37|29<br>52|nC|
|||VGS= 0 V to 4.5 V||Q1<br>Q2|−<br>−|9.5<br>17|13<br>24|nC|
|Qgs|Gate to Source Charge|Q1:<br>VDD= 15 V, ID= 13 A<br>Q2:<br>VDD= 15 V, ID= 25 A||Q1<br>Q2|−<br>−|3.9<br>5.9|−<br>−|nC|
|Qgd|Gate to Drain “Miller” Charge|||Q1<br>Q2|−<br>−|2.6<br>4|−<br>−|nC|



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**3** 

**FDMS3664S** 

**ELECTRICAL CHARACTERISTICS** (TJ = 25 ° C unless otherwise noted) (continued) 

|**ELECTRICAL CHARACTERISTICS**(TJ = 25J = 25= 25°C unless otherwise noted) (continued)|**ELECTRICAL CHARACTERISTICS**(TJ = 25J = 25= 25°C unless otherwise noted) (continued)||||||||
|---|---|---|---|---|---|---|---|---|
|**Symbol**<br>**Test Condition**<br>**Parameter**|||**Type**|**Min**|**Typ**||**Max**|**Unit**|
|**DRAIN-SOURCE DIODE CHARACTERISTICS**|||||||||
|VSD<br>Source−Drain Diode Forward Volt-<br>VGS= 0 V, IS= 13 A (Note 2)|= 13 A (Note 2)||Q1|−|0.8||1.2|V|
|age<br>VGS= 0 V, IS= 2 A (Note 2)|= 2 A (Note 2)||Q1|−|0.7||1.2||
|VGS= 0 V, IS= 25 A (Note 2)|= 25 A (Note 2)||Q2|−|0.8||1.2||
|VGS= 0 V, IS= 2 A (Note 2)|= 2 A (Note 2)||Q2|−|0.6||1.2||
|trr<br>Reverse Recovery Time<br>Q1:<br>IF= 13 A, di/dt = 100 A/ s<br>Q2:<br>IF= 25 A, di/dt = 300 A/ s<br>Qrr<br>Reverse Recovery Charge<br>Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product<br>~~Pf~~<br>~~Pot~~<br>~~'~~||Q1<br>Q2<br>−<br>−<br>26<br>24<br>42<br>38<br>ns<br>Q1<br>Q2<br>−<br>−<br>10<br>22<br>20<br>34<br>nC<br>Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product<br>~~|~~<br>|<br>**|**<br>~~pt~~<br>~~|~~<br>~~ft|~~|||||||
|performance may not be indicated by the Electrical Characteristics if operated under different conditions.|performance may not be indicated by the Electrical Characteristics if operated under different conditions.||||||||
|NOTES:|||||||||
|1. R JAis determined with the device mounted on a 1 in2pad 2 oz copper pad on a 1.5<br>~~88~~|pad 2 oz copper pad on a 1.5×1.5 in. board of FR−4 material. R<br>~~88~~||1.5 in. board of FR−4 material. R<br>~~88~~||1.5 in. board of FR−4 material. R JCis guaranteed<br>~~88~~|||is guaranteed<br>~~88~~|
|by design while R CAis determined by the user’s board design.<br>8|||||||||
|57°C/W when mounted on<br>a)|b)|50°C/W when mounted on|||||||
|a 1 in2pad of 2 oz copper.||a 1 in2pad of 2 oz copper.|||||||
|Lt|Hl||||||||
|G<br>DF<br>DS<br>SF<br>SS|G<br>DF<br>DS<br>SF<br>SS||||||||
|125°C/W when mounted on<br>a)|b)|120°C/W when mounted on|||||||
|a minimum pad of 2 oz copper.||a minimum pad of 2 oz copper.|||a minimum pad of 2 oz copper.||||
|G<br>DF<br>DS<br>SF<br>SS<br>00000|G<br>DF<br>DS<br>SF<br>SS<br>00000||||||||



1. R JA is determined with the device mounted on a 1 in[2] pad 2 oz copper pad on a 1.5 × 1.5 in. board of FR−4 material. R JC is guaranteed by design while R 8 CA is determined by the user’s board design. 

2. Pulse Test: Pulse Width < 300 u s, Duty cycle < 2.0%. 

3. As an N−ch device, the negative Vgs rating is for low duty cycle pulse ocurrence only. No continuous rating is implied with the negative Vgs rating. 

4. EAS of 33 mJ is based on starting TJ = 25 ° C, N−ch: L = 1.9 mH, IAS = 6 A, VDD = 27 V, VGS = 10 V. 100% test at L= 0.1 mH, IAS = 16 A. 

5. EAS of 48 mJ is based on starting TJ = 25 ° C, N−ch: L = 0.6 mH, IAS = 13 A, VDD = 27 V, VGS = 10 V. 100% test at L= 0.1 mH, IAS = 23 A. 

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**FDMS3664S** 

## **TYPICAL CHARACTERISTICS (Q1 N−Channel)** 

(TJ = 25 ° C unless otherwise noted) 

**==> picture [233 x 168] intentionally omitted <==**

**----- Start of picture text -----**<br>
40<br>VGS = 10 V<br>VGS = 6 V<br>30<br>VGS = 4.5 V<br>20<br>VGS = 4 V<br>VGS = 3.5 V<br>10<br>PULSE DURATION = 80  � s<br>DUTY CYCLE = 0.5% MAX<br>0<br>0.0 0.2 0.4 0.6 0.8 1.0<br>VDS, Drain to Source Voltage (V)<br>, Drain Current (A)<br>ID<br>**----- End of picture text -----**<br>


**Figure 1. On Region Characteristics** 

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**----- Start of picture text -----**<br>
4<br>PULSE DURATION = 80  � s<br>DUTY CYCLE = 0.5% MAX<br>3<br>VGS = 3.5 V<br>2 VGS = 4 V<br>1<br>VGS = 10 V<br>VGS = 4.5 V VGS = 6 V<br>0<br>0 10 20 30 40<br>ID, Drain Current (A)<br>Normalized<br>Drain to Source On−Resistance<br>**----- End of picture text -----**<br>


**Figure 2. Normalized On−Resistance vs. Drain Current and Gate Voltage** 

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**----- Start of picture text -----**<br>
1.6 20<br>ID = 13 A PULSE DURATION = 80  � s<br>VGS = 10 V DUTY CYCLE = 0.5% MAX<br>1.4 16<br>ID = 13 A<br>1.2 12<br>1.0 8 TJ = 125 ° C<br>0.8 4 TJ = 25 ° C<br>0.6 0<br>−75 −50 −25 0 25 50 75 100 125 150 2 4 6 8 10<br>TJ, Junction Temperature ( � C) VGS, Gate to Source Voltage (V)<br>Figure 3. Normalized On Resistance Figure 4. On−Resistance vs. Gate to Source<br>vs. Junction Temperature Voltage<br>40 40<br>PULSE DURATION = 80  � s VGS = 0 V<br>DUTY CYCLE = 0.5% MAX 10<br>30 VDS = 5 V T J  = 150 ° C<br>1<br>TJ = 150 ° C<br>20 T J  = 25 ° C<br>0.1<br>TJ = 25 ° C<br>10 T J  = −55 ° C<br>0.01<br>TJ = −55 ° C<br>0 0.001<br>1.5 2.0 2.5 3.0 3.5 4.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2<br>VGS, Gate to Source Voltage (V) VSD, Body Diode Forward Voltage (V)<br>) �<br>, Drain to Source<br>Normalized<br>DS(on) On−Resistance (m<br>R<br>Drain to Source On−Resistance<br>, Drain Current (A)<br>ID<br>, Reverse Drain Current (A)<br>IS<br>**----- End of picture text -----**<br>


**Figure 5. Transfer Characteristics** 

**Figure 6. Source to Drain Diode Forward Voltage vs. Source Current** 

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**FDMS3664S** 

## **TYPICAL CHARACTERISTICS (Q1 N−Channel)** (continued) 

(TJ = 25 ° C unless otherwise noted) 

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**----- Start of picture text -----**<br>
10 2000<br>ID = 13 A<br>VDD = 10 V 1000 Ciss<br>8<br>VDD = 15 V<br>6 C oss<br>VDD = 20 V<br>100<br>4<br>2 C rss<br>f = 1 MHz<br>VGS = 0 V<br>0 10<br>0 5 10 15 20 25 0.1 1 10 30<br>Qg, Gate Charge (nC) VDS, Drain to Source Voltage (V)<br>Figure 7. Gate Charge Characteristics Figure 8. Capacitance vs. Drain to Source<br>Voltage<br>100 80<br>R � JC = 2.9 = 2.9 ° C/W<br>60<br>VGS = 10 VGS = 10 V = 10 V<br>TJ = 25 ° C<br>10 40 VGS = 4.5 VGS = 4.5 V = 4.5 V<br>T J  = 100 ° C<br>20<br>Limited by Package<br>TJ = 125 ° C<br>1 0<br>0.001 0.01 0.1 1 10 100 25 50 75 100 125 150<br>tAV, Time in Avalanche (ms) TC, Case Temperature (C, Case Temperature (, Case Temperature ( � C)<br>Capacitance (pF)<br>, Gate to Source Voltage (V)<br>GS<br>V<br>, Drain Current (A)<br>IDD<br>, Avalanche Current (A)<br>IAS<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
80<br>R � JC = 2.9 = 2.9 ° C/W<br>60<br>VGS = 10 VGS = 10 V = 10 V<br>40 VGS = 4.5 VGS = 4.5 V = 4.5 V<br>20<br>Limited by Package<br>0<br>25 50 75 100 125 150<br>TC, Case Temperature (C, Case Temperature (, Case Temperature ( � C)<br>, Drain Current (A)<br>IDD<br>**----- End of picture text -----**<br>


**Figure 9. Unclamped Inductive Switching Capability** 

**Figure 10. Maximum Continuous Drain Current vs. Case Temperature** 

**==> picture [237 x 171] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>100  � s<br>10<br>1 ms<br>1<br>THIS AREA IS<br>10 ms<br>LIMITED BY RDS(on) 100 ms<br>SINGLE PULSE 1 s<br>0.1<br>TJ = MAX RATED 10 s<br>R � JA = 125 ° C/W DC<br>T A  = 25 ° C<br>0.01<br>0.01 0.1 1 10 100 200<br>VDS, Drain to Source Voltage (V)<br>, Drain Current (A)<br>ID<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
1000<br>SINGLE PULSE<br>R � JA = 125 ° C/W<br>100<br>10<br>1<br>0.1<br>10 [−4] 10 [−3] 10 [−2] 10 [−1] 1 10 100 1000<br>t, Pulse Width (s)<br>, Peak Transient Power (W)<br>(PK)<br>P<br>**----- End of picture text -----**<br>


**Figure 11. Forward Bias Safe Operating Area** 

**Figure 12. Single Pulse Maximum Power Dissipation** 

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**FDMS3664S** 

## **TYPICAL CHARACTERISTICS (Q1 N−Channel)** (continued) 

(TJ = 25 ° C unless otherwise noted) 

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**----- Start of picture text -----**<br>
2<br>DUTY CYCLE−DESCENDING ORDER<br>1<br>D = 0.5<br>0.2<br>0.1 0.1<br>0.05 PDM<br>0.02<br>0.01 SINGLE PULSE t1<br>0.01 R � JA = 125 ° C/W NOTES: t2<br>(Note 1c) DUTY FACTOR: D = t1/t2<br>PEAK TJ = PDM ×  Z � JA ×  R � JA+ TA<br>0.001<br>10 [−4] 10 [−3] 10 [−2] 10 [−1] 1 10 100 1000<br>t, Rectangular Pulse Duration (s)<br>Impedance<br>, Normalized Thermal<br>JA<br>�<br>Z<br>**----- End of picture text -----**<br>


**Figure 13. Junction−to−Ambient Transient Thermal Response Curve** 

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**FDMS3664S** 

## **TYPICAL CHARACTERISTICS (Q2 N−Channel)** 

(TJ = 25 ° C unless otherwise noted) 

**==> picture [479 x 169] intentionally omitted <==**

**----- Start of picture text -----**<br>
100 4<br>VGS = 10 V PULSE DURATION = 80  � s<br>VGS = 4.5 V DUTY CYCLE = 0.5% MAX<br>80<br>VGS = 4 V 3<br>VGS = 3.5 V VGS = 3 V<br>60<br>2<br>40 VGS = 3 V VGS = 3.5 V<br>1<br>20 VGS = 10 V<br>PULSE DURATION = 80  � s VGS = 4 V VGS = 4.5 V<br>DUTY CYCLE = 0.5% MAX<br>0 0<br>0.0 0.2 0.4 0.6 0.8 0 20 40 60 80 100<br>VDS, Drain to Source Voltage (V) ID, Drain Current (A)<br>Normalized<br>, Drain Current (A)<br>ID<br>Drain to Source On−Resistance<br>**----- End of picture text -----**<br>


**Figure 14. On Region Characteristics** 

**==> picture [244 x 382] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.6<br>ID = 25 A<br>VGS = 10 V<br>1.4<br>1.2<br>1.0<br>0.8<br>0.6<br>−75 −50 −25 0 25 50 75 100 125 150<br>TJ, Junction Temperature ( � C)<br>Figure 16. Normalized On−Resistance<br>vs. Junction Temperature<br>100<br>PULSE DURATION = 80  � s<br>DUTY CYCLE = 0.5% MAX<br>80<br>VDS = 5 V<br>60<br>TJ = 125 ° C<br>40<br>TJ = 25 ° C<br>20<br>TJ = −55 ° C<br>0<br>1.0 1.5 2.0 2.5 3.0<br>VGS, Gate to Source Voltage (V)<br>Normalized<br>Drain to Source On−Resistance<br>, Drain Current (A)<br>ID<br>**----- End of picture text -----**<br>


**Figure 18. Transfer Characteristics** 

**Figure 15. Normalized On−Resistance vs. Drain Current and Gate Voltage** 

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**----- Start of picture text -----**<br>
10<br>PULSE DURATION = 80  � s<br>DUTY CYCLE = 0.5% MAX<br>8<br>ID = 25 A<br>6<br>4 TJ = 125 ° C<br>2 TJ = 25 ° C<br>0<br>2 4 6 8 10<br>VGS, Gate to Source Voltage (V)<br>) �<br>, Drain to Source<br>DS(on) On−Resistance (m<br>R<br>**----- End of picture text -----**<br>


**Figure 17. On−Resistance vs. Gate to Source Voltage** 

**==> picture [232 x 172] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>VGS = 0 V<br>10<br>T J  = 125 ° C<br>1<br>0.1 T J  = 25 ° C<br>T J  = −55 ° C<br>0.01<br>0.001<br>0.0 0.2 0.4 0.6 0.8 1.0<br>VSD, Body Diode Forward Voltage (V)<br>, Reverse Drain Current (A)<br>IS<br>**----- End of picture text -----**<br>


**Figure 19. Source to Drain Diode Forward Voltage vs. Source Current** 

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**FDMS3664S** 

## **TYPICAL CHARACTERISTICS (Q2 N−Channel)** (continued) 

(TJ = 25 ° C unless otherwise noted) 

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**----- Start of picture text -----**<br>
10 10000<br>ID = 25 A<br>Ciss<br>8<br>VDD = 10 V<br>1000<br>6<br>VDD = 15 V C oss<br>4<br>VDD = 20 V 100<br>2 Crss<br>f = 1 MHz<br>0 10 VGS = 0 V<br>0 10 20 30 40 0.1 1 10 30<br>Qg, Gate Charge (nC) VDS, Drain to Source Voltage (V)<br>Figure 20. Gate Charge Characteristics Figure 21. Capacitance vs. Drain to Source<br>Voltage<br>100 120<br>R � JC = 2.3 = 2.3 ° C/W<br>VGS = 10 VGS = 10 V = 10 V<br>100<br>80<br>TJ = 25 ° C VGS = 4.5 VGS = 4.5 V = 4.5 V<br>10 60<br>TJ = 100 ° C 40 Limited by Package<br>TJ = 125 ° C 20<br>1 0<br>0.001 0.01 0.1 1 10 100 25 50 75 100 125 150<br>tAV, Time in Avalanche (ms) TC, Case Temperature (C, Case Temperature (, Case Temperature ( � C)<br>Capacitance (pF)<br>, Gate to Source Voltage (V)<br>GS<br>V<br>, Drain Current (A)<br>IDD<br>, Avalanche Current (A)<br>IAS<br>**----- End of picture text -----**<br>


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120<br>R � JC = 2.3 = 2.3 ° C/W<br>VGS = 10 VGS = 10 V = 10 V<br>100<br>80<br>VGS = 4.5 VGS = 4.5 V = 4.5 V<br>60<br>40<br>Limited by Package<br>20<br>0<br>25 50 75 100 125 150<br>TC, Case Temperature (C, Case Temperature (, Case Temperature ( � C)<br>, Drain Current (A)<br>IDD<br>**----- End of picture text -----**<br>


**Figure 22. Unclamped Inductive Switching Capability** 

**Figure 23. Maximum Continuous Drain Current vs. Case Temperature** 

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200<br>100<br>100  � s<br>10<br>1 ms<br>1 THIS AREA IS 10 ms<br>LIMITED BY RDS(on) 100 ms<br>1 s<br>SINGLE PULSE<br>0.1 TJ = MAX RATED 10 s<br>R � JA = 120 ° C/W DC<br>T A  = 25 ° C<br>0.01<br>0.01 0.1 1 10 100 200<br>VDS, Drain to Source Voltage (V)<br>, Drain Current (A)<br>ID<br>**----- End of picture text -----**<br>


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3000<br>SINGLE PULSE<br>1000 R � JA = 120 ° C/W<br>100<br>10<br>1<br>0.5<br>10 [−4] 10 [−3] 10 [−2] 10 [−1] 1 10 100 1000<br>t, Pulse Width (s)<br>, Peak Transient Power (W)<br>(PK)<br>P<br>**----- End of picture text -----**<br>


**Figure 24. Forward Bias Safe Operating Area** 

**Figure 25. Single Pulse Maximum Power Dissipation** 

**www.onsemi.com** 

**9** 

**FDMS3664S** 

## **TYPICAL CHARACTERISTICS (Q2 N−Channel)** (continued) 

(TJ = 25 ° C unless otherwise noted) 

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2<br>1 DUTY CYCLE−DESCENDING ORDER<br>D = 0.5<br>0.2<br>0.1 0.1<br>0.05<br>0.02 PDM<br>0.01 0.01<br>t1<br>SINGLE PULSE t 2<br>0.001 R � JA = 120 ° C/W NOTES:<br>(Note 1d) DUTY FACTOR: D = t1/t2<br>PEAK T J  = P DM ×  Z � JA ×  R � JA + T A<br>0.0001<br>10 [−4] 10 [−3] 10 [−2] 10 [−1] 1 10 100 1000<br>t, Rectangular Pulse Duration (s)<br>Impedance<br>, Normalized Thermal<br>JA<br>�<br>Z<br>**----- End of picture text -----**<br>


**Figure 26. Junction−to−Ambient Transient Thermal Response Curve** 

**www.onsemi.com** 

**10** 

**FDMS3664S** 

## **TYPICAL CHARACTERISTICS** (continued) 

## **SyncFET Schottky Body Diode Characteristics** 

**onsemi** ’s SyncFET process embeds a Schottky diode in parallel with POWERTRENCH MOSFET. This diode exhibits similar characteristics to a discrete external Schottky diode in parallel with a MOSFET. Figure 27 shows the reverse recovery characteristic of the FDMS3664S. 

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30<br>25<br>20<br>di/dt = 300 A/ � s<br>15<br>10<br>5<br>0<br>−5<br>0 50 100 150 200 250<br>Time (ns)<br>Current (A)<br>**----- End of picture text -----**<br>


**Figure 27. FDMS3664S SyncFET Body Diode Reverse Recovery Characteristic** 

Schottky barrier diodes exhibit significant leakage at high temperature and high reverse voltage. This will increase the power in the device. 

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10 [−2]<br>TJ = 125 ° C<br>10 [−3]<br>TJ = 100 ° C<br>10 [−4]<br>10 [−5]<br>TJ = 25 ° C<br>10 [−6]<br>0 5 10 15 20 25<br>VDS, Reverse Voltage (V)<br>, Reverse Leakage Current (A)<br>IDSS<br>**----- End of picture text -----**<br>


**Figure 28. SyncFET Body Diode Reverse Leakage vs. Drain−Source Voltage** 

**www.onsemi.com** 

**11** 

**FDMS3664S** 

## **APPLICATIONS INFORMATION** 

## **Switch Node Ringing Suppression** 

**onsemi** ’s Power Stage products incorporate a proprietary design* that minimizes the peak overshoot, ringing voltage on the switch node (PHASE) without the need of any external snubbing components in a buck converter. As 

shown in the Figure 29, the Power Stage solution rings significantly less than competitor solutions under the same set of test conditions. 

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Power Stage Device Competitors Solution<br>**----- End of picture text -----**<br>


**Figure 29. Power Stage Phase Node Rising Edge, High Side Turn On** 

* Patent Pending 

**Figure 30. Shows the Power Stage in a Buck Converter Topology** 

**www.onsemi.com** 

**12** 

**FDMS3664S** 

## **Recommended PCB Layout Guidelines** 

As a PCB designer, it is necessary to address critical issues in layout to minimize losses and optimize the performance of the power train. Power Stage is a high power density solution and all high current flow paths, such as VIN (D1), PHASE (S1/D2) and GND (S2), should be short and wide 

for better and stable current flow, heat radiation and system performance. A recommended layout procedure is discussed below to maximize the electrical and thermal performance of the part. 

**Top Layer** 

**Bottom Layer** 

**Figure 31. Recommended PCB Layout** 

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**13** 

**FDMS3664S** 

_Following is a guideline, not a requirement which the PCB designer should consider:_ 

1. Input ceramic bypass capacitors C1 and C2 must be placed close to the D1 and S2 pins of Power Stage to help reduce parasitic inductance and high frequency conduction loss induced by switching operation. C1 and C2 show the bypass capacitors placed close to the part between D1 and S2. Input capacitors should be connected in parallel close to the part. Multiple input caps can be connected depending upon the application. 

2. The PHASE copper trace serves two purposes; In addition to being the current path from the Power Stage package to the output inductor (L), it also serves as heat sink for the lower FET in the Power Stage package. The trace should be short and wide enough to present a low resistance path for the high current flow between the Power Stage and the inductor. This is done to minimize conduction losses and limit temperature rise. Please note that the PHASE node is a high voltage and high frequency switching node with high noise potential. Care should be taken to minimize coupling to adjacent traces. The reference layout in Figure 31 shows a good balance between the thermal and electrical performance of Power Stage. 

3. Output inductor location should be as close as possible to the Power Stage device for lower power loss due to copper trace resistance. A shorter and wider PHASE trace to the inductor reduces the conduction loss. Preferably the Power Stage should be directly in line (as shown in Figure 31) with the inductor for space savings and compactness. 

   5. The driver IC should be placed close to the Power Stage part with the shortest possible paths for the High Side gate and Low Side gates through a wide trace connection. This eliminates the effect of parasitic inductance and resistance between the driver and the MOSFET and turns the devices on and off as efficiently as possible. At higher−frequency operation this impedance can limit the gate current trying to charge the MOSFET input capacitance. This will result in slower rise and fall times and additional switching losses. Power Stage has both the gate pins on the same side of the package which allows for back mounting of the driver IC to the board. This provides a very compact path for the drive signals and improves efficiency of the part. 

   6. S2 pins should be connected to the GND plane with multiple vias for a low impedance grounding. Poor grounding can create a noise transient offset voltage level between S2 and driver ground. This could lead to faulty operation of the gate driver and MOSFET. 

   7. Use multiple vias on each copper area to interconnect top, inner and bottom layers to help smooth current flow and heat conduction. Vias should be relatively large, around 8 mils to 10 mils, and of reasonable inductance. Critical high frequency components such as ceramic bypass caps should be located close to the part and on the same side of the PCB. If not feasible, they should be connected from the backside via a network of low inductance vias. 

4. The POWERTRENCH Technology MOSFETs used in the Power Stage are effective at minimizing phase node ringing. It allows the part to operate well within the breakdown voltage limits. This eliminates the need to have an external snubber circuit in most cases. If the designer chooses to use an RC snubber, it should be placed close to the part between the PHASE pad and S2 pins to dampen the high−frequency ringing. 

POWERTRENCH is a registered trademark of Semiconductor Components Industries, LLC dba “ **onsemi** ” or its affiliates and/or subsidiaries in the United States and/or other countries. 

SyncFET is a trademark of Semiconductor Components Industries, LLC dba “ **onsemi** ” or its affiliates and/or subsidiaries in the United States and/or other countries. 

**www.onsemi.com** 

**14** 

MECHANICAL CASE OUTLINE **PACKAGE DIMENSIONS** 

## **PQFN8 5X6, 1.27P (SAWN TYPE)** 

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CASE 483AJ<br>ISSUE A<br>**----- End of picture text -----**<br>


**==> picture [79 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
DATE 08 FEB 2021<br>**----- End of picture text -----**<br>


## **DOCUMENT NUMBER: 98AON13659G** 

**DESCRIPTION: PQFN8 5X6, 1.27P** 

Electronic versions are uncontrolled except when accessed directly from the Document Repository. Printed  versions are uncontrolled  except when stamped  “CONTROLLED COPY” in red. 

**PAGE 1 OF 2** 

**onsemi** and                     are trademarks of Semiconductor Components Industries, LLC dba **onsemi** or its subsidiaries in the United States and/or other countries. **onsemi** reserves the right to make changes without further notice to any products herein. **onsemi** makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does **onsemi** assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. **onsemi** does not convey any license under its patent rights nor the rights of others. 

www.onsemi.com 

© Semiconductor Components Industries, LLC, 2016 

## **PQFN8 5X6, 1.27P (PUNCHED TYPE)** CASE 483AJ ISSUE A 

## DATE 08 FEB 2021 

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0.10 C D<br>(2X)<br>SEE<br>PKG<br>DETAIL B c<br>CL<br>8 5<br>L2<br>PKG CL E E1<br>1 4 0.10 C (SCALE: 2X)<br>(2X)<br>b1 (8X)<br>TOP VIEW<br>0.10 C<br>D1<br>SEE A c<br>DETAIL C 8X<br>0.08 C<br>C<br>SEATING<br>SIDE VIEW   PLANE<br>(SCALE: 2X)<br>D2<br>0.10 C A B<br>e/2 0.05 C<br>z1 1 2 3 4 L1 (3X)<br>E3 (6X)<br>E4<br>e4 k<br>e3 D3 E2<br>k1<br>L (5X) 8 7 6 5<br>z (3X) b (8X)<br>e<br>e1<br>BOTTOM VIEW<br>**----- End of picture text -----**<br>


Electronic versions are uncontrolled except when accessed directly from the Document Repository. **DOCUMENT NUMBER: 98AON13659G** Printed  versions are uncontrolled  except when stamped  “CONTROLLED COPY” in red. **DESCRIPTION: PQFN8 5X6, 1.27P PAGE 2 OF 2** 

**onsemi** and                     are trademarks of Semiconductor Components Industries, LLC dba **onsemi** or its subsidiaries in the United States and/or other countries. **onsemi** reserves the right to make changes without further notice to any products herein. **onsemi** makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does **onsemi** assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. **onsemi** does not convey any license under its patent rights nor the rights of others. 

www.onsemi.com 

© Semiconductor Components Industries, LLC, 2016 

**onsemi** , , and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “ **onsemi** ” or its affiliates and/or subsidiaries in the United States and/or other countries. **onsemi** owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of **onsemi** ’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. **onsemi** reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided “as−is” and **onsemi** makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does **onsemi** assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using **onsemi** products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by **onsemi** . “Typical” parameters which may be provided in **onsemi** data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. **onsemi** does not convey any license under any of its intellectual property rights nor the rights of others. **onsemi** products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use **onsemi** products for any such unintended or unauthorized application, Buyer shall indemnify and hold **onsemi** and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that **onsemi** was negligent regarding the design or manufacture of the part. **onsemi** is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. 

## **ADDITIONAL INFORMATION** 

**TECHNICAL PUBLICATIONS** : **ONLINE SUPPORT** : www.onsemi.com/support **Technical Library:** www.onsemi.com/design/resources/technical−documentation **For additional information, please contact your local Sales Representative at onsemi Website:** www.onsemi.com www.onsemi.com/support/sales 

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 



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- [Supplier page](https://es.farnell.com/onsemi/fdms3664s/dual-mosfet/dp/3616891)
---

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