LGA80D-00DADJJ

## a. POWER 

## **Data Sheet** 

## **LGA80D Series** Dual O/P Non-isolated 80 A Digital DC/DC Converter 

**Total Current:** 80 A (single) 40 A (dual) **Input Voltage:** 7.5 - 14 Vdc **Variable Output:** 0.6 - 5.2 V 

## SPECIAL FEATURES 

- Two-phase design 

- Dual or single output configuration possible 

|**Electrical Specifications**<br>~~a~~|**Electrical Specifications**<br>~~a~~|**Electrical Specifications**<br>~~a~~|
|---|---|---|
|**Input**<br>~~a~~<br>~~a~~|||
|Input voltage range<br>~~a~~|7.5 -14 Vdc<br>~~a~~||
|Max input current @ 7.5 V<br>~~a~~|33 A<br>~~a~~||
|Input capacitor (internal)<br>~~a~~|120 µF<br>~~a~~||
|**Environmental and General Information**<br>~~a~~|||
|Operating ambient temperature<br>~~a~~|-40 °C to +85 °C<br>~~a~~||
|Storage temperature<br>~~a~~|-40 °C to +125 °C<br>~~a~~||
|Switching frequency (RSYNC = 23.7 Kohm)<br>~~a~~|457 kHz typical (can be configured)<br>~~a~~||
|CMTBF Telcordia SR-332, Issue 3, Method 1 Case 1<br>~~a~~<br>~~a~~|50 MHours<br>~~a~~<br>~~a~~||
|**Protection**<br>~~a~~<br>~~a~~|||
|Overcurrent protection<br>~~a~~<br>~~a~~|Refer to application note for detail<br>~~a~~<br>~~a~~||
|Overvoltage protection|110% Vo nominal||
|Overtemperature protection (controller temperature)<br>~~a~~|120 °C nominal<br>~~a~~||
|**Output***|||
|Independent output 1 and 2<br>~~a~~|0.6 V to 1 V<br>1.8 V<br>2.5 V<br>3.3 V<br>5 V<br>~~a~~|40 A<br>35 A<br>32.5 A<br>30 A<br>20 A|
|Combined output 1 and 2|0.6 V to 1 V<br>1.8 V<br>2.5 V<br>3.3 V<br>5 V|80 A<br>70 A<br>65 A<br>60 A<br>40 A|
|Efficiency at 11 Vin  and 25 °C|1 V @ 80 A<br>1.8 V @ 70 A<br>2.5 V @ 65 A<br>3.3 V @ 60 A<br>5 V @ 40 A|89.9% typical<br>93% typical<br>94.5% typical<br>95% typical<br>95.5% typical|
|Max output power (Watts)|200 W||



- High efficiency up to 95.5% 

~~a a~~ Small size 1” x 0.5” x 0.48” (LxWxH) **Input** ~~a~~ Supports PMBus Input voltage range ~~a~~ No minimum load requirement Max input current @ 7.5 V 

- ~~a~~ Wide operating temperature range Input capacitor (internal) ~~a~~ Exceptional power density **Environmental and General Information** 

~~a~~ Automatic loop compensation Operating ambient temperature ~~a~~ Excellent transient response Storage temperature ~~a~~ Analog or digital control Switching frequency (RSYNC = 23.7 Kohm) ~~a~~ 

- IPC9592B compliant 

- ~~a~~ Tape and reel packaging 

- Reflow compatible 

~~a~~ 

- Possible to stack up to 8 phases for 320 A 

~~a~~ 

~~a~~ Two year warranty (Consult factory Overtemperature protection (controller temperature) for extended terms) 

## SAFETY 

- ~~a~~ Designed to meet EN60950-1 

*Output @ Vin = 12 V, Ta = 25 °C, unless otherwise noted 

## **Electrical Specifications (continued)** 

|Parameter|Conditions|Min|Nom|Max|
|---|---|---|---|---|
|Line regulation<br>0.6 ~ 1.0 V<br>1.0 ~ 5.0 V|Measured at remote sense|—|2 mV<br>0.2%|—|
|Load regulation<br>0.6 ~ 1.0 V<br>1.0 ~ 5.0 V|Measured at remote sense|—|5 mV<br>0.5%|—|
|Output capacitor per output<br>(external minimum)|2 x 220 µF / 6.3 V polymer tan caps<br>(6TPF220M5L or equivalent<br>3 x 100 µF / 6.3 V ceramic caps|—|740 µF|—|
|Ripple and noise<br>(with minimum caps) 5 Hz to 20 MHz<br>0.6 to 1.8 V<br>2.5 V to 3.3 V<br>5.0 V|One module one output|—<br>—<br>—|15 mV<br>25 mV<br>40 mV|—<br>—<br>—|
|Ripple and noise<br>(with minimum caps) 5 Hz to 20 MHz<br>0.6 to 1.8 V<br>2.5 V to 3.3 V<br>5.0 V|One module two outputs|—<br>—<br>—|18 mV<br>35 mV<br>50 mV|—<br>—<br>—|



## **Ordering Information** 

|Model Number|Input Voltage|Output Voltage Set Point|Output Current|Efficiency|
|---|---|---|---|---|
|LGA80D-00DADJJ|7.5 - 14 Vdc|See table|80 A max|See table|



## **Block Diagram - One Module One Output** 

## **Block Diagram - One Module Two Outputs** 

## **Block Diagram - Two Modules One Output** 

## **Vout & Address Settings** 

|**Vout Setting**|**Vout Setting**||**Address Setting**|**Address Setting**|
|---|---|---|---|---|
|RVtrim (kΩ)|Vout (V)||RADDR (kΩ)|SMbus ADDRESS|
|LOW|1||LOW|40h|
|OPEN|1.2||OPEN|42h|
|HIGH|0.9||10|41h|
|10|0.6||11|43h|
|11|0.65||12.1|44h|
|12.1|0.7||13.3|45h|
|13.3|0.75||14.7|46h|
|14.7|0.8||16.2|47h|
|16.2|0.85||17.8|48h|
|17.8|0.9||19.6|49h|
|19.6|0.95||21.5|4Ah|
|21.5|1||23.7|4Bh|
|23.7|1.05||26.1|4Ch|
|26.1|1.1||28.7|4Dh|
|28.7|1.15||31.6|4Eh|
|31.6|1.2||34.8|4Fh|
|34.8|1.25||42.2|51h|
|38.3|1.3||46.4|52h|
|42.2|1.4||51.1|53h|
|46.4|1.5||56.2|54h|
|51.1|1.6||61.9|55h|
|56.2|1.7||68.1|56h|
|61.9|1.8||75|57h|
|68.1|1.9||82.5|58h|
|75|2||90.9|59h|
|82.5|2.1||100|5Ah|
|90.9|2.2||110|5Bh|
|100|2.3||121|5Ch|
|110|2.5||133|5Dh|
|121|2.8||147|5Eh|
|133|3||162|5Fh|
|147|3.3||178|60h|
|162|4||||
|178|5||||



## ~~Ce~~ **Mechanical Drawings** 

22.65 20.90 **Pin Assignments** 19.15 ~~|~~ **Single Output** 17.40 Pin # Function ~~—~~ 15.65 1 Vin ~~loo~~ 13.00 2 GND 9.75 ~~—~~ 3 PG1 6.50 ~~loo~~ 3.25 4 PG2 ~~—~~ 2.90 (9X) 5 EN1 0.35 ~~loo~~ 6 EN2 7 SYNC ~~ro a~~ 8 SHARE ~~P~~ 26 ~~L~~ 25 ~~I~~ L 24 ~~J~~ L 23 ~~J~~ L 22 ~~J U~~ 21 20 ~~J,~~ 19 18 17 ~~r+~~ 16 9 ADDR | 27 ~~ee ee~~ 15 10 SCL 11 SDA 14 ~~LT =~~ | ~~a~~ 28 12 SALERT 13 1 2 3 4 5 6 7 8 9 10 11 12 13 SGND ~~a =I ——~~ 14 ASCRCFG ~~(Coogoogdgodo —————~~ 15 CFG 0.65 (2X) ~~loo~~ 3.50 ~~—~~ 16 Vtrim1 6.15 ~~loo~~ 17 VS1+ 7.95 1.10 (19X) 18 VS1- ~~—~~ 9.75 19 Vtrim2 ~~loo~~ 11.55 20 VS2- ~~—~~ 13.35 21 VS2+ 15.15 ~~loo~~ 16.95 22 Vo1 ~~: —~~ 18.75 23 Vo1 20.55 ~~loo~~ 24 GND 21.50 (4X) ~~—~~ 22.35 25 Vo2 ~~loo~~ 26 Vo2 ~~OO~~ 27 GND ~~[loo~~ 28 Vin ~~—[~~ 

RECOMMENDED PAD LAYOUT (FOOTPRINT) Notes: 

Dimensions are in millimeters and (inches) Tolerance: X.X mm ±0.5 mm (X.XX in. ±0.02 in.) X.XX mm ±0.25 mm (X.XXX in. ±0.010 in.) 

## **Mechanical Drawings** 

**==> picture [537 x 377] intentionally omitted <==**

**----- Start of picture text -----**<br>
22.35<br>21.50 (4X)<br>20.55<br>18.75<br>16.95<br>15.15<br>— — 13.35 A<br>11.55<br>9.75 TOP VIEW<br>7.95<br>( st) 6.15 ) —<br>3.50<br>2.14<br>0.65 (2X)<br>po [ee<br>1 2 3 4 5 6 7 8 9 10 11 12 0.13 (0.005"<br>13<br>+ 28 [ELE SIDE VIEW TT<br>Ee ] EIGHOORoE 14 ue ay a ETT<br>15<br>27<br>16<br>26 25 24 23 22 21 20 19 18 17<br>———Ti fal (oJ [ee] lee) al HHH<br>2.30 (9X)<br>0.35 0.80 (19X)<br>3.25<br>6.50<br>9.75<br>13.00<br>15.65<br>17.40<br>19.15<br>20.90<br>22.65<br>)"<br>1.30 (12X) 2.35 4.15 (0.48<br>12.20  1.60 (0.063")<br>6.80 3.30 5.95<br>10.10 (10X) 7.75<br>.50 (19X)<br>1.60 (9X) 1<br>**----- End of picture text -----**<br>


FOOTPRINT DRAWING OF METAL PINS (BOTTOM VIEW) Notes: Dimensions are in millimeters and (inches) Tolerance: X.X mm ±0.5 mm (X.XX in. ±0.02 in.) X.XX mm ±0.25 mm (X.XXX in. ±0.010 in.) 

## 

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LGA80D Series DS 22Nov2016