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LMR38020FDDA, in 3D

LMR38020FDDA

Texas Instruments

-40℃~+150℃@(TJ) 1 1V~75V 2A 4.2V~80V 40uA 525kHz Adjustable Buck Buck Built-in Yes SO-PowerPAD-8 DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCti/LMR38020FDDA
Category
DC DC Converters
Package
SO-PowerPAD-8
Pins
9

Overview

The LMR38020FDDA is a DC DC Converter made by Texas Instruments in a SO-PowerPAD-8 package with 9 pins. -40℃~+150℃@(TJ) 1 1V~75V 2A 4.2V~80V 40uA 525kHz Adjustable Buck Buck Built-in Yes SO-PowerPAD-8 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LMR38010FSDDAR, from EasyEDA) and its footprint (EasyEDA_Cloud:SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP-2, from EasyEDA), ready for a KiCad board. 15,233 are in stock at JLCPCB (part C5149193). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

GND1EN2VIN3RT/SYNC4FB5PG6BOOT7SW8EP9
EasyEDA_Cloud:LMR38010FSDDARFrom EasyEDA

Footprint

123456789
EasyEDA_Cloud:SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP-2From EasyEDA

Parameters

13
Features
EMI optimization (spread spectrum)
Frequency - Switching
525kHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
-40℃~+150℃@(TJ)
Output Current
2A
Output Type
Adjustable
Output Voltage
1V~75V
Quiescent Current
40uA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
4.2V~80V

Order codes

1

Pinout

9
The pins of the LMR38020FDDA
PinNameType
1GNDUnspecified
2ENUnspecified
3VINUnspecified
4RT/SYNCUnspecified
5FBUnspecified
6PGUnspecified
7BOOTUnspecified
8SWUnspecified
9EPUnspecified

Open-source boards using it

All 3
  • 2 layers77.5 × 55.6 mmMost reader, the printed circuit board in 3D

    Most reader

    Oleg-mk/JLR-MOST-Reader

    Listen-only MOST25 adapter for JLR: the factory stereo out over TOSLINK, the car's own volume controls applied digitally with no quality loss

    62 parts1CERN-OHL-S-2.0
  • 2 layers123.6 × 78.9 mmMost listener, the printed circuit board in 3D

    Most listener

    Oleg-mk/MOST25-to-AUDIO

    Passive MOST25 listener: Tang Nano 20K FPGA, ESP32 host, stereo I2S out with the head unit's volume, balance and tone

    172 parts1CERN-OHL-S-2.0
  • 6 layers36 × 36 mmRidge3-fc, the printed circuit board in 3D

    Ridge3-fc

    offgridevices/offgrid-hardware

    Open hardware from OffGrid Devices. One folder per board. CERN-OHL-S.

    124 partsCERN-OHL-S-2.0

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Questions

Is there a KiCad symbol and footprint for the LMR38020FDDA?

Yes. The symbol is EasyEDA_Cloud:LMR38010FSDDAR and the footprint EasyEDA_Cloud:SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP-2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LMR38020FDDA?

SO-PowerPAD-8, with 9 pins. Its footprint is drawn on this page.

Where is the LMR38020FDDA datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LMR38020FDDA?

JLCPCB lists it as part C5149193, with 15,233 in stock; the sellers' links on this page open their listings.

What can replace the LMR38020FDDA?

Parts like it in the library: the LM5013DDA by Texas Instruments, the LMR38020SDDA by Texas Instruments, the HT7180SPER by Jiaxing Heroic Elec Tech and the JW5116FESOP#TRPBF by JoulWatt Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the LMR38020FDDA?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8