2 layers43.8 × 31.8 mm
Overview
The LM2575-12BU is a DC DC Converter made by Microchip Technology in a TO-263-5 package with 5 pins. -40℃~+125℃@(TJ) 1 12V 1A 4V~40V 52kHz 5mA Buck Built-in Fixed No Overcurrent Protection、Cycle-by-cycle current limiting Step-down type TO-263-5 DC-DC Converters.
PCBKit's library has its KiCad symbol (Regulator_Switching:LM2575-12BU, from KiCad's library) and its footprint (Package_TO_SOT_SMD:TO-263-5_TabPin3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3193997). 4 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
Order codes
1- LM2575-12BULCSC C3193997
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | VIN | Power in |
| 2 | OUT | Output |
| 3 | GND | Power in |
| 4 | FB | Input |
| 5 | ON/OFF | Input |
Open-source boards using it
All 4- 2 layers100 × 100 mm
- 2 layers72.6 × 46.7 mm
PowerRDP
pbbp0904/HELEN
The rendering above is a rough idea of what this payload will look like with some of its components installed.
60 partsMIT - 2 layers95 × 95 mm
Plate amp psu
duanestorey/hifi-amp
A high-fidelity four-channel amplifier with active-crossovers and room correction
57 parts1
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Is there a KiCad symbol and footprint for the LM2575-12BU?
Yes. The symbol is Regulator_Switching:LM2575-12BU and the footprint Package_TO_SOT_SMD:TO-263-5_TabPin3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM2575-12BU?
TO-263-5, with 5 pins. Its footprint is drawn on this page.
Where is the LM2575-12BU datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the LM2575-12BU?
JLCPCB lists it as part C3193997, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM2575-12BU?
Parts like it in the library: the LM2596S-5.0 by UMW, the LM2596S-ADJ by UMW, the XL4015E1 by XLSEMI and the LM2596S-5.0/TR by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM2575-12BU?
4 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
LM2596S-5.0
TO-263-5-40℃~+125℃@(TA) 1 150kHz 3A 5V 7V~40V 80uA Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSUMWDC-DC ConvertersLM2596S-ADJ
TO-263-5-40℃~+125℃@(TA) 1 1.2V~37V 150kHz 3A 40V 80uA Adjustable Buck Buck Built-in No TO-263-5 DC-DC Converters ROHSUMWDC-DC ConvertersXL4015E1
TO-263-5-40℃~+125℃ 1 1.25V~32V 180kHz 5A 5mA 8V~36V Adjustable Buck Buck Built-in No TO-263-5 DC-DC Converters ROHSXLSEMIDC-DC ConvertersLM2596S-5.0/TR
TO-263-5-40℃~+125℃ 1 150kHz 3A 5V 5V~40V 5mA Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2596S-5.0
TO-263-5L-20℃~+70℃ 1 150kHz 2mA 3A 4.5V~40V 5V Buck Buck Built-in Fixed No TO-263-5L DC-DC Converters ROHSGRDC-DC ConvertersLM2596S-ADJ/TR
TO-263-5-40℃~+125℃@(TJ) 1 1.2V~37V 150kHz 3A 4.5V~40V 5mA Adjustable Buck Buck Built-in No TO-263-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2576HVS-5.0(UMW)
TO-263-5-40℃~+125℃@(TJ) 1 3A 52kHz 5V 5mA 8V~60V Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSUMWDC-DC ConvertersLM2576S-ADJ(UMW)
TO-263-5-40℃~+125℃@(TJ) 1 1.23V~37V 3A 50uA 52kHz 8V~40V Adjustable Buck Buck Built-in No TO-263-5 DC-DC Converters ROHSUMWDC-DC Converters