L7981 - 3A step-down switching regulator

STMicroelectronics

L7981 Datasheet Preview — Preview of L7981 PDF

Datasheet Details

Part number	L7981
Manufacturer	STMicroelectronics ↗
File Size	1.08 MB
Description	3A step-down switching regulator
Datasheet	L7981-STMicroelectronics.pdf

L7981 Product details

Description

The L7981 device is a step-down switching regulator with a 3.7 A (minimum) current limited embedded Power MOSFET, so it is able to deliver up to 3 A current to the load depending on the application conditions.

Features

3 A DC output current.
4.5 V to 28 V input voltage.
Output voltage adjustable from 0.6 V.
250 kHz switching frequency, programmable up to 1 MHz.
Internal soft-start and enable.
Low dropout operation: 100% duty cycle.
Voltage feed-forward.
Zero load current operation.
Overcurrent and thermal protection.
VFQFPN 3 x 3 - 8L and HSOP8 package.

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Published: May 17, 2014 |