B5973D

STMicroelectronicsExtended

-40℃~+150℃@(TJ) 1 1.235V~35V 250kHz 2A 4V~36V Adjustable Buck Buck Built-in No HSOP-8-EP DC-DC Converters ROHS

Part id: st/B5973D
Category: DC DC Converters
Package: HSOP-8-EP
Pins: 9
In stock: 0 at JLCPCB (C1356140)

Overview

The B5973D is a DC DC Converter made by STMicroelectronics in a HSOP-8-EP package with 9 pins. -40℃~+150℃@(TJ) 1 1.235V~35V 250kHz 2A 4V~36V Adjustable Buck Buck Built-in No HSOP-8-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:A5974ADTR, from EasyEDA) and its footprint (EasyEDA_Cloud:HSOP-8_L5.0-W4.0-P1.27-LS6.2-TL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1356140).

Symbol

EasyEDA_Cloud:A5974ADTRFrom EasyEDA

Footprint

EasyEDA_Cloud:HSOP-8_L5.0-W4.0-P1.27-LS6.2-TL-EPFrom EasyEDA

Pinout

The pins of the B5973D
Pin	Name	Type
1	OUT	Unspecified
2	SYNCH	Unspecified
3	INH	Unspecified
4	COMP	Unspecified
5	FB	Unspecified
6	VREF	Unspecified
7	GND	Unspecified
8	VCC	Unspecified
9	EP	Unspecified

Parameters

Features: Overcurrent Protection, Cycle-by-cycle current limiting, Frequency synchronization, External compensation
Frequency - Switching: 250kHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+150℃@(TJ)
Output Current: 2A
Output Type: Adjustable
Output Voltage: 1.235V~35V
Quiescent Current: 3mA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: No
Topology: Buck
Voltage - Supply: 4V~36V

Order codes

B5973DLCSC C1356140

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Questions

Is there a KiCad symbol and footprint for the B5973D?

Yes. The symbol is EasyEDA_Cloud:A5974ADTR and the footprint EasyEDA_Cloud:HSOP-8_L5.0-W4.0-P1.27-LS6.2-TL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the B5973D?

HSOP-8-EP, with 9 pins. Its footprint is drawn on this page.

Where is the B5973D datasheet?

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

Where can I order the B5973D?

JLCPCB lists it as part C1356140, with 0 in stock; the sellers' links on this page open their listings.

What can replace the B5973D?

Parts like it in the library: the L7986TATR by STMicroelectronics, the L7985A by STMicroelectronics, the B5973DTR by STMicroelectronics and the L7985ATR by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.