ST1S40IPUR

STMicroelectronicsExtended

-40℃~+150℃@(TJ) 1 1.5mA 3A 4.5V~18V 800mV~18V 850kHz Adjustable Buck Buck Built-in Yes VFQFPN-8L(4x4) DC-DC Converters ROHS

Datasheet JLCPCB LCSC

Part id: st/ST1S40IPUR
Category: DC DC Converters
Package: VFQFPN-8L(4x4)
Pins: 9
In stock: 13 at JLCPCB (C2688660)

Overview

The ST1S40IPUR is a DC DC Converter made by STMicroelectronics in a VFQFPN-8L(4x4) package with 9 pins. -40℃~+150℃@(TJ) 1 1.5mA 3A 4.5V~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:ST1S41PHR, from EasyEDA) and its footprint (EasyEDA_Cloud:DFN-8_L4.0-W4.0-P0.80-BL-EP, from EasyEDA), ready for a KiCad board. 13 are in stock at JLCPCB (part C2688660).

Symbol

EasyEDA_Cloud:ST1S41PHRFrom EasyEDA

Footprint

EasyEDA_Cloud:DFN-8_L4.0-W4.0-P0.80-BL-EPFrom EasyEDA

Pinout

The pins of the ST1S40IPUR
Pin	Name	Type
1	VINA	Unspecified
2	EN	Unspecified
3	FB	Unspecified
4	GND	Unspecified
5	NC	Unspecified
6	VINSW	Unspecified
7	SW	Unspecified
8	PGND	Unspecified
9	EP	Unspecified

Parameters

Features: Overcurrent Protection
Frequency - Switching: 850kHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+150℃@(TJ)
Output Current: 3A
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: 4.5V~18V

Order codes

ST1S40IPURLCSC C2688660

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Questions

Is there a KiCad symbol and footprint for the ST1S40IPUR?

Yes. The symbol is EasyEDA_Cloud:ST1S41PHR 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 ST1S40IPUR?

VFQFPN-8L(4x4), with 9 pins. Its footprint is drawn on this page.

Where is the ST1S40IPUR datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the ST1S40IPUR?

JLCPCB lists it as part C2688660, with 13 in stock; the sellers' links on this page open their listings.

What can replace the ST1S40IPUR?

Parts like it in the library: the ST1S41PUR by STMicroelectronics and the ST1S32PUR by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.