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IR3891 Datasheet - International Rectifier

Synchronous Buck Regulator

IR3891 Features

* Single 5V to 21V application

* Wide Input Voltage Range from 1V to 21V with external Vcc

* Output Voltage Range: 0.5V to 0.86

* PVin

* Dual output, 4A/Phase

* Enhanced Line/Load Regulation with Feed- Forward

* Programmable Switching Frequency up to

IR3891 General Description

The IR3891 SupIRBuck® is an easy-to-use, fully integrated and highly efficient DC/DC regulator. The onboard PWM controller and MOSFETs make IR3891 a space-efficient solution, providing accurate power delivery for low output voltage. IR3891 is a versatile regulator which offers programmability of swi.

IR3891 Datasheet (1.65 MB)

Preview of IR3891 PDF

Datasheet Details

Part number:

IR3891

Manufacturer:

International Rectifier

File Size:

1.65 MB

Description:

Synchronous buck regulator.

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IR3891 Synchronous Buck Regulator International Rectifier

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