

Overview
The LM2575-3.3WU is a DC DC Converter made by Microchip Technology in a TO-263-5 package with 6 pins. -40℃~+125℃@(TJ) 1 1A 3.3V 4V~40V 52kHz 5mA Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:TO-263-5_L10.2-W8.9-P1.70-LS15.2-BR, from EasyEDA), ready for a KiCad board. 3 are in stock at JLCPCB (part C641095). 1 open-source board in 1 repository on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
13- Features
- Cycle-by-cycle current limiting
- Frequency - Switching
- 52kHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+125℃@(TJ)
- Output Current
- 1A
- Output Type
- Fixed
- Output Voltage
- 3.3V
- Quiescent Current
- 5mA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- No
- Topology
- Buck
- Voltage - Supply
- 4V~40V
Order codes
1- LM2575-3.3WULCSC C641095
Open-source boards using it
All 1- 2 layers88 × 78 mm

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Is there a KiCad symbol and footprint for the LM2575-3.3WU?
Yes. the footprint EasyEDA_Cloud:TO-263-5_L10.2-W8.9-P1.70-LS15.2-BR, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM2575-3.3WU?
TO-263-5, with 6 pins. Its footprint is drawn on this page.
Where is the LM2575-3.3WU datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the LM2575-3.3WU?
JLCPCB lists it as part C641095, with 3 in stock; the sellers' links on this page open their listings.
What can replace the LM2575-3.3WU?
Parts like it in the library: the XL1509-3.3 by UMW, the XL1509-3.3E1 by XLSEMI, the TPS613221ADBV by Texas Instruments and the LM2596S-3.3(UMW) by UMW. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM2575-3.3WU?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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