L4977A Datasheet - STMicroelectronics

L4977A 7A SWITCHING REGULATOR

The L4977A is a stepdown monolithic power switching regulator delivering 7A at a voltage variable from 5.1 to 40V. BLOCK DIAGRAM MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4977A Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficien.

L4977A Features

* of the L4977A include reset and power fail for microprocessors, feed forward line regulation, soft start, limiting current and thermal protection. The device is mounted in a 15-lead multiwatt plastic power package and requires few external components. Efficient operation at switching frequencies up

L4977A_STMicroelectronics.pdf