Overview
The ST1S41PUR is a DC DC Converter made by STMicroelectronics in a VFQFPN-8L(4x4) package with 9 pins. -40℃~+150℃@(TJ) 1 1.5mA 4A 4V~18V 800mV~18V 850kHz Adjustable Buck Buck Built-in Yes VFQFPN-8L(4x4) DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ST1S41PUR, from EasyEDA) and its footprint (EasyEDA_Cloud:DFN-8_L4.0-W4.0-P0.80-BL-EP, from EasyEDA), ready for a KiCad board. 3,592 are in stock at JLCPCB (part C2071349).
Symbol
Footprint
Parameters
13- Features
- Cycle-by-cycle current limiting
- Frequency - Switching
- 850kHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+150℃@(TJ)
- Output Current
- 4A
- Output Type
- Adjustable
- Output Voltage
- 800mV~18V
- Quiescent Current
- 1.5mA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 4V~18V
Order codes
1- ST1S41PURLCSC C2071349
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | VINA | Unspecified |
| 2 | EN | Unspecified |
| 3 | FB | Unspecified |
| 4 | AGND | Unspecified |
| 5 | NC | Unspecified |
| 6 | VINSW | Unspecified |
| 7 | SW | Unspecified |
| 8 | PGND | Unspecified |
| 9 | ePAD | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/st/ST1S41PUR" title="ST1S41PUR in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/ST1S41PUR.jpg" alt="ST1S41PUR" width="1200" height="900">[](https://pcbkit.io/parts/st/ST1S41PUR)Questions
Is there a KiCad symbol and footprint for the ST1S41PUR?
Yes. The symbol is EasyEDA_Cloud:ST1S41PUR and the footprint EasyEDA_Cloud:DFN-8_L4.0-W4.0-P0.80-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ST1S41PUR?
VFQFPN-8L(4x4), with 9 pins. Its footprint is drawn on this page.
Where is the ST1S41PUR datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the ST1S41PUR?
JLCPCB lists it as part C2071349, with 3,592 in stock; the sellers' links on this page open their listings.
What can replace the ST1S41PUR?
Parts like it in the library: the ST1S32PUR by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
