# Non Isolated POL DC/DC Converter, Step Down, 0.5 V, 1.275 V, 16 A

![Product image](https://novapart.co/image/farnell:3870421/)

**URL**: https://novapart.co/products/MAX20011DAFOA/VY+/non-isolated-pol-dc-converter-step-down-05-v-1275
**SKU**: MAX20011DAFOA/VY+
**Manufacturer**: ANALOG DEVICES
**Category**: Power & Line Protection || Power Supplies || DC / DC Converters || DC / DC Non Isolated Board Mount Converters - Adjustable Output
**Price**: €2.7000
**Stock**: 200+
**Lead Time**: 92 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Depth | - |
| Width | - |
| Height | - |
| Product Range | - |
| Output Power Max | - |
| Output Current Max | 16A |
| Output Voltage Max | 1.275V |
| Output Voltage Min | 0.5V |
| Input Voltage Dc Max | 5.5V |
| Input Voltage Dc Min | 3V |
| Dc / Dc Converter Type | Step Down |
| Power Supply Applications | - |
| Dc / Dc Converter Output Type | Adjustable |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3870421/)

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....2.2.2...ett<br>teeeeeeee<br>12<br>Spread-Spectrum Option 0...0...<br>eee<br>tenet teen eee<br>eee eee 12<br>Synchronization (SYNC) .... 00...cc<br>ee<br>eee<br>teen teen teen ee eee 12<br>Current Limit / Short-Circuit Protection. ...........0..00.000 cccete<br>eeeeae 12<br>Boost Refresh. ...........0 00:<br>cccc<br>tte<br>ttt<br>13<br>Overtemperature Protection... 0.0.0.0...<br>eee eee eee<br>eee eee ee 13<br>Applications Information ......0.0.0.0000<br>eee eee nett nent teen nett<br>een<br>14<br>Input<br>Capacitor 2...<br>ee<br>eee eee teen tet<br>e eee eee<br>ee<br>14<br>Inductor Selection. .........0 0.0000cette<br>teeeee eee eee 14<br>Output Capacitor2...<br>eee<br>eee<br>eee eee eee ee ee WB<br>Programmable Compensation .......0.00.000. ccc<br>eee<br>eee<br>eee eee ee eee 15<br>Typical Application Circuits .. 0...00<br>ee<br>nee eee eee eee eee ee es 16<br>Ordering Information ......0.0.0.00<br>eeeeee<br>ee ee eee 16<br>Revision History ... 0.0.0.0...cc<br>eee eet eee eee 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> #$% &&'(#$% &&) MAX20011C/MAX20011D $* Automotive + Single ,$( $ 16A/12A -.)/ Step-Down '* Converter � LIST OF �  TABLES Table 1. Inductor Selection Parameters .... 0.000.000. ee eee eee eee 15 Table 2. ! Recommended Inductor " Values .... 0.0.0.0... 0c ccc ee eee eee eee 5 ~~� � � � �������������������������������������������������������������� � � � � � � � � ������������������������������������������������������������� �~~ www.maximintegrated.com ///0+ Maxim Integrated | 3 

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MAX20011C/MAX20011D '(&4&(, Automotive ;"1 Single 3 16A/12A ;()&+" Step-Down &",%(% Converter � Detailed � 
 Description The MAX20011C/MAX20011D is a   !"!#$ high-efficiency, #"!%&"&' synchronous ()*&+" step-down !&",%(% converter (( that &)%( operates with +( a -./ 3.0V (& to 0.0/ 5.5V ")'( input voltage range and provides a 0.50V to 1.275V output ,&1( voltage range. The device delivers up to 16A of load current "* and regulates the output voltage over load, line, and temperature ranges. 5)(&"1 Optional spread-spectrum frequency modulation minimizes radiated electromagnetic emissions due to the switching frequency. The I2C programmable I/O (SYNC) enables #(4 system synchronization. Integrated low RDS(on) :5=> switches help improve efficiency ( at ,# heavy loads and make the layout a much simpler task with %)!( respect to discrete solutions. The device is offered with a factory-preset output voltage that is dynamically adjustable (%&' through the |2C interface. The output voltage !" can be set (& to "# any desired values between 0.5V to 1.275V in 6.25mvV steps. ~~� ��� � � � � � � �� � � �~~ Additional features include adjustable & ( soft start, power-good delay, DVS rate, overcurrent, and overtemperature �,&1(�%"�"*�)%&,*��.0/�(&�.20/�&'()'(� �%".��*,!�*1,%�')�(&�3�& �1&*�!'%%"(� protections. ~~�~~ Consult the factory ~~�~~ for detailed register set " &%4(&". information. See Internal Block Diagram. �%'1(�(�&'()'(�,&1(�&,%�1&*$�1"$�"*�(4)%('%�%".� CDEDF RESET �)%*)!(%'4� %6'"!#�4&*'1(&"�4"47 Output �%*(*�1!(%&4"(!�4&"�*'�(&�(�+(!"� %6'"!#.��8�)%&%4491�85�:;<=>�"91� �#"!%&"7(&".� The MAX20011C/MAX20011D features " an &)"*%" open-drain ? RESET output that asserts when the output voltage deviates from 8"(%(*�1&+�?;( the target regulated voltage �+(!�1)�4)%&,�  !"!# by a programmed 4&'"(. amount. �? RE � SET rem �1&*�"*�4@�(�1#&'(��4'!�4)1%�(@�+(� ains asserted for a fixed timeout period after the &'()'( output is �(&�*!%(�&1'(&".��*,!��&  %*�+( within the programmed regulation window. Connect �� !(&%#)%(�&'()'(�,&1(�((��*#"4!11#�*A'(91� RESET to a pullup resistor. �(�8�"(% !.��&'()'(�,&1(� �9�(� � �*%*�,1'�9(+"�.0/�(&�.20/�"�3.04/�().� **(&"1� ('%�"!1'*�*A'(91 Soft-Start � �(%($�)&+%&&*�*1#$�/;�%($�&,%!'%%"($�"*�&,%(4)%('%� )%&(!(&".�&"'1(�(� !(&%#� &%�*(1* The MAX20011C/MAX20011D includes a �)%&%4491 programmable %(%�(� & ((%( soft-start �;�8"(%"1�B1&!@�%4.� feature to limit startup inrush current by forcing the &'()'( output voltage to slowly ramp up towards ( its %'1(&" regulation )&"(. point. The soft-start slew rate is set in the SLEW register. Dynamic ~~�~~ � ('% ~~�~~ GHH� Voltage Scaling � � ~~�~~ I;I�&'()'(�((�%(�+"�(�&'()'(�,&1(�*,(� %&4� The ~~�~~ (%(�%'1(*�,&1(�9#��)%&%44* step-down regulator features dynamic voltage � scaling ~~�~~ (DVS) I;I�%4(& to allow "�%(*� &%�� J*�(4&'(�)%&*� (%�(� loads to margin their supply voltage. The output voltage ~~�~~ is ~~�~~ +("�(�)%&%44*�%'1(&" set with VID[7:0]. The slew rate �+"*&+.�&""!( during DVS is adjustable ~~�~~ ?I;I�(&��)'11')�%(&%.� with SR[3:0] in the SLEW register. The OV/UV comparators are masked to prevent false RESET assertions during the DVS period. EKLE
� Shutdown ~~�~~ �"!1'*�� ~~� �~~ ('%�(&�14(�(%(')�"%'�!'%%"(�9#� &%!"�(� During ~~�~~ ,&1(�(&�1&+1#�%4)�')�(&+%* shutdown, the output voltage is ramped � � down at ~~�~~ the ~~�~~ programmed ~~�~~ & ((%(�1+�%(��(�"�(�;MIN�%(%.� soft-start slew rate. After the soft shutdown is complete, an 11Q pulldown resistor is enabled (& to discharge the remaining output voltage. �()*&+"�%'1(&%� ('%�*#"4!�OP �QR�E R� Spread-Spectrum Option �,&1(�!1"�:/;> ~~��~~ 11&+�1&*�(&�4%"�(%�'))1#�,&1(.��&'()'(� ,&1(��(�+(�/8S2TU.��1+� The MAX20011C/MAX20011D featuring %(�*'%" spread-spectrum �/;��*A'(91�+(�;?S-TU�"�(�;MIN�%(%.��5/V/� (SS) operation varies the internal operating frequency by +3% !&4)%(&%�%�4@*�(&�)%,"(� 1 relative to the internally generated operating ~~�~~ ?I;I�%(&"�*'%"�(�/;�)%&*.� frequency of 2.2MHz or 1.1MHz (typ). This function does not apply to externally applied oscillation frequency. '%"�'(*&+"$�(�&'()'(�,&1(��%4)*EWHX� Synchronization (SYNC) ~~�~~ *&+"�(�(�)%&%44*�& ((%(�1+�%(.� (%�(�& (�'(*&+"�� !&4)1($�"�Y�)'11*&+"�%(&%��"91* SYNC is factory programmable I/O. See Selector ~~� �~~ *!%�(�%4""�&'()'(�,&1(.� Guide table for available options. When SYNC is configured as an input, a logic high on PWM enables SYNC to accept a signal frequency in the range of 1.8MHz < fsync ;<=[�f�.3\7�] < 2.6MHz (CONFIG.FSW = 0) or 0.9MHz < fsync ;<=[�f�.-\7�:5=g8c.g;N�h�>�.�N"�;<=��!&" '%*��"�&'()'($�;<=�] < 1.3MHz (CONFIG.FSW = 1) . When SYNC is configured as an output, SYNC �� ('%"E
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- [View this product on Novapart](https://novapart.co/products/MAX20011DAFOA/VY+/non-isolated-pol-dc-converter-step-down-05-v-1275)
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- [Supplier page](https://es.farnell.com/analog-devices/max20011dafoa-vy/dc-dc-conv-aec-q100-step-down/dp/3870421)
---

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