AST1S31HF
STMicroelectronicsExtended
-40℃~+150℃ 1 1.2mA 2.3MHz 2.8V~4V 3A 800mV~3.2V Adjustable Buck Buck Built-in Yes VFDFPN-8(3x3) DC-DC Converters ROHS
- Part id
- st/AST1S31HF
- Category
- DC DC Converters
- Package
- VFDFPN-8(3x3)
- Pins
- 9
- In stock
- 0 at JLCPCB (C2072530)
Overview
The AST1S31HF is a DC DC Converter made by STMicroelectronics in a VFDFPN-8(3x3) package with 9 pins. -40℃~+150℃ 1 1.2mA 2.3MHz 2.8V~4V 3A 800mV~3.2V Adjustable Buck Buck Built-in Yes VFDFPN-8(3x3) DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AST1S31HF, from EasyEDA) and its footprint (EasyEDA_Cloud:DFN-8_L3.0-W3.0-P0.65-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2072530).
Symbol
Footprint
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | VINA | Unspecified |
| 2 | EN | Unspecified |
| 3 | FB | Unspecified |
| 4 | GND | Unspecified |
| 5 | PG | Unspecified |
| 6 | VINSW | Unspecified |
| 7 | SW | Unspecified |
| 8 | PGND | Unspecified |
| 9 | EP | Unspecified |
Parts like it
1
Questions
Is there a KiCad symbol and footprint for the AST1S31HF?
Yes. The symbol is EasyEDA_Cloud:AST1S31HF and the footprint EasyEDA_Cloud:DFN-8_L3.0-W3.0-P0.65-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AST1S31HF?
VFDFPN-8(3x3), with 9 pins. Its footprint is drawn on this page.
Where is the AST1S31HF datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the AST1S31HF?
JLCPCB lists it as part C2072530, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AST1S31HF?
Parts like it in the library: the AOZ6623DI by Alpha & Omega Semiconductor. Check their datasheets: a part that fits the footprint may still differ in its ratings.