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L7981A

STMicroelectronicsExtended

-40℃~+150℃ 1 2.4mA 250kHz~1MHz 3A 4.5V~28V 600mV~28V Adjustable Buck Built-in Overcurrent Protection、Frequency synchronization、Hiccup current limiting、External compensation Step-down type Yes HSOP-8-EP DC-DC Converters ROHS

Part id
st/L7981A
Category
DC DC Converters
Package
HSOP-8-EP
Pins
9
In stock
0 at JLCPCB (C1355776)

Overview

The L7981A is a DC DC Converter made by STMicroelectronics in a HSOP-8-EP package with 9 pins. -40℃~+150℃ 1 2.4mA 250kHz~1MHz 3A 4.5V~28V 600mV~28V Adjustable Buck Built-in Overcurrent Protection、Frequency synchronization、Hiccup current limiting、External compensation Step-down type Yes HSOP-8-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L7980TR, from EasyEDA) and its footprint (EasyEDA_Cloud:HSOP-8_L5.0-W4.0-P1.27-LS6.2-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1355776).

Symbol

1OUT2SYNCH3EN4COMP5FB6FSW7GND8VCC9EP
EasyEDA_Cloud:L7980TRFrom EasyEDA

Footprint

1234567899999
EasyEDA_Cloud:HSOP-8_L5.0-W4.0-P1.27-LS6.2-BL-EPFrom EasyEDA

Pinout

9
The pins of the L7981A
PinNameType
1OUTUnspecified
2SYNCHUnspecified
3ENUnspecified
4COMPUnspecified
5FBUnspecified
6FSWUnspecified
7GNDUnspecified
8VCCUnspecified
9EPUnspecified

Questions

Is there a KiCad symbol and footprint for the L7981A?

Yes. The symbol is EasyEDA_Cloud:L7980TR and the footprint EasyEDA_Cloud:HSOP-8_L5.0-W4.0-P1.27-LS6.2-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the L7981A?

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

Where is the L7981A datasheet?

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

Where can I order the L7981A?

JLCPCB lists it as part C1355776, with 0 in stock; the sellers' links on this page open their listings.