L7985A

STMicroelectronics

-40℃~+150℃@(TJ) 1 1MHz 2.4mA 2A 4.5V~38V 600mV~38V Adjustable Buck Buck Built-in No HSOP-8-EP DC-DC Converters ROHS

Extended

Category: DC DC Converters
Package: HSOP-8-EP
Pins: 9

Overview

The L7985A is a DC DC Converter made by STMicroelectronics in a HSOP-8-EP package with 9 pins. -40℃~+150℃@(TJ) 1 1MHz 2.4mA 2A 4.5V~38V 600mV~38V Adjustable Buck Buck Built-in No HSOP-8-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L7985A, 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. 3 are in stock at JLCPCB (part C1355469).

Symbol

EasyEDA_Cloud:L7985AFrom EasyEDA

Footprint

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

Parameters

Features: External compensation
Frequency - Switching: 1MHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+150℃@(TJ)
Output Current: 2A
Output Type: Adjustable
Output Voltage: 600mV~38V
Quiescent Current: 2.4mA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: No
Topology: Buck
Voltage - Supply: 4.5V~38V

Order codes

L7985ALCSC C1355469

Pinout

The pins of the L7985A
Pin	Name	Type
1	OUT	Unspecified
2	SYNCH	Unspecified
3	EN	Unspecified
4	COMP	Unspecified
5	FB	Unspecified
6	FSW	Unspecified
7	GND	Unspecified
8	VCC	Unspecified
9	PAD	Unspecified

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A picture

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A picture that opens the part, for a README

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Questions

Is there a KiCad symbol and footprint for the L7985A?

Yes. The symbol is EasyEDA_Cloud:L7985A 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 L7985A?

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

Where is the L7985A datasheet?

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

Where can I order the L7985A?

JLCPCB lists it as part C1355469, with 3 in stock; the sellers' links on this page open their listings.

What can replace the L7985A?

Parts like it in the library: the L7986TATR by STMicroelectronics, the B5973DTR by STMicroelectronics, the L7985ATR by STMicroelectronics and the B5973D by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.