IR3621 2-PHASE / DUAL SYNCHRONOUS PWM CONTROLLER

International Rectifier

Description

www.DataSheet4U.com Data Sheet No.PD60231 revA IR3621 & (PbF) 2-PHASE / DUAL SYNCHRONOUS PWM CONTROLLER WITH OSCILLATOR SYNCHRONIZATION AND PRE-BIAS.
The IR3621 IC combines a dual synchronous buck controller and drivers, providing a cost-effective, high performance and flexible solution.

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Datasheet Specifications

Part number: IR3621
Manufacturer: International Rectifier
File Size: 401.18 KB
Datasheet: IR3621_InternationalRectifier.pdf
Description: 2-PHASE / DUAL SYNCHRONOUS PWM CONTROLLER

Features

* Dual Synchronous Controller with 180! Out of Phase Operation Configurable to 2-Independent Outputs or Current Share Single Output Voltage Mode Control Current Sharing Using Inductor's DCR Selectable Hiccup or Latched Current Limit using MOSFET's RDS(on) sensing Latched Over-Voltage Protection Pre-Bi

Applications

* Embedded Networking & Telecom Systems Distributed Point-of-Load Power Architectures 2-Phase Power Supply Graphics Card DDR Memory Applications Vin Vin Rt Comp1 HDrv1 OCSet1 LDrv1 PGnd1 Rt Comp1 HDrv1 OCSet1 LDrv1 PGnd1 Vout1 Comp2 SS1 / SD SS2 / SD Gnd IR3621 HDrv2 OCSet2 LDrv2 PGnd2 Vin Vo

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IR3621 2-PHASE DUAL SYNCHRONOUS PWM CONTROLLER International Rectifier

International Rectifier IR3621-like datasheet