L4977A

7A SWITCHING REGULATOR

STMicroelectronics

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L4977A Datasheet (396.19 KB)

L4977A Datasheet Preview — Preview of L4977A PDF

Datasheet Details

Part number:

L4977A

Manufacturer:

STMicroelectronics ↗

File Size:

396.19 KB

Description:

7a switching regulator.
® L4977A 7A SWITCHING REGULATOR 7A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO 90% DUTY CYCLE RANGE INTERNAL FEED-FORWARD LINE REGULATION I.

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 General Description

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.

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L4977A SWITCHING REGULATOR STMicroelectronics

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