

Overview
The LM2575T-5 is a DC DC Converter made by onsemi in a TO-220-5 package with 5 pins. -40℃~+125℃@(TJ) 1 1A 4.75V~40V 52kHz 5V 5mA Buck Buck Built-in Fixed No TO-220-5 DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM2575HVT-ADJG, from EasyEDA) and its footprint (Package_TO_SOT_THT:TO-220-5_Vertical, from KiCad's library), ready for a KiCad board. 86 are in stock at JLCPCB (part C74123). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
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
- 5V
- Quiescent Current
- 5mA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- No
- Topology
- Buck
- Voltage - Supply
- 4.75V~40V
Order codes
1- LM2575T-5GLCSC C74123
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | VIN | Unspecified |
| 2 | OUTPUT | Unspecified |
| 3 | GND | Unspecified |
| 4 | FB | Unspecified |
| 5 | ON#/OFF | Unspecified |
Open-source boards using it
All 2- 2 layers176 × 82.6 mm

- 2 layers180 × 120 mm

OBeMs Pulse PCB
johnbeardmore/oBeMS
Open source environmental monitoring, automatic meter reading and building management system.
140 parts3LGPL-3.0
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<iframe src="https://pcbkit.io/embed/parts/onsemi/LM2575T-5" title="LM2575T-5 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/LM2575T-5.jpg" alt="LM2575T-5" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/LM2575T-5)Questions
Is there a KiCad symbol and footprint for the LM2575T-5?
Yes. The symbol is EasyEDA_Cloud:LM2575HVT-ADJG and the footprint Package_TO_SOT_THT:TO-220-5_Vertical, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM2575T-5?
TO-220-5, with 5 pins. Its footprint is drawn on this page.
Where is the LM2575T-5 datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the LM2575T-5?
JLCPCB lists it as part C74123, with 86 in stock; the sellers' links on this page open their listings.
What can replace the LM2575T-5?
Parts like it in the library: the LM2575T-5.0 by HGSEMI, the LM2576T-5.0 by HGSEMI, the LM2576HVT-5.0 by HGSEMI and the LM2575T-5.0G by HANSCHIP semiconductor. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM2575T-5?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8LM2575T-5.0
TO-220-50℃~+85℃@(TJ) 1 10mA 1A 4.75V~40V 52kHz 5V Buck Buck Built-in Fixed TO-220-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2576T-5.0
TO-220-5-40℃~+125℃@(TJ) 1 3A 40V 52kHz 5V 5mA Buck Buck Built-in Fixed TO-220-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2576HVT-5.0
TO-220-5-40℃~+125℃@(TJ) 1 10mA 3A 52kHz 5V 60V Buck Buck Built-in Fixed TO-220-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2575T-5.0G
TO-220-5-40℃~+125℃@(TJ) 1 2A 2mA 50kHz 5V 5V~40V Buck Buck Built-in Fixed No TO-220-5 DC-DC Converters ROHSHANSCHIP semiconductorDC-DC ConvertersLM2576HVT-5.0G
TO-220-5-40℃~+125℃@(TA) 1 3A 52kHz 5V 5mA 8V~55V Buck Buck Built-in Fixed No TO-220-5 DC-DC Converters ROHSHANSCHIP semiconductorDC-DC ConvertersLM2575HVT-5.0
TO-220-5-40℃~+125℃ 1 1A 40V~60V 50uA 52kHz 5V Buck Buck Built-in Fixed No TO-220-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2591HVT-5.0
TO-220-5-40℃~+125℃@(TJ) 1 1A 5V 60V Buck Buck Built-in Fixed TO-220-5 DC-DC Converters ROHSHGSEMIDC-DC ConvertersLM2592HVT-5.0
TO-220-5-40℃~+125℃@(TJ) 1 127kHz~173kHz 2A 2mA 5V 60V Buck Buck Built-in TO-220-5 DC-DC Converters ROHSHGSEMIDC-DC Converters