IR11672ASPBF 데이터 시트보기 (PDF) - International Rectifier

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IR11672ASPBF

ADVANCED SMART RECTIFIER™ CONTROL IC

International Rectifier 

Datasheet No - PD97469

July 13, 2011

IR11672AS

ADVANCED SMART RECTIFIER TM CONTROL IC

Features

Product Summary

• Secondary side high speed SR controller

• DCM, CrCM flyback and Resonant half-bridge Topology

topologies

• 200V proprietary IC technology

VD

• Max 500KHz switching frequency

• Anti-bounce logic and UVLO protection

VOUT

• 7A peak turn off drive current

• Micropower start-up & ultra low quiescent current

Io+ & I o- (typical)

• 10.7V gate drive clamp

Turn on Propagation

• 50ns turn-off propagation delay

Delay

• Vcc range from 11.3V to 20V

• Direct sensing of MOSFET drain voltage

Turn off Propagation

• Enable function synchronized with MOSFET VDS Delay

transition

• Cycle by Cycle MOT Check Circuit prevents multiple Package Options

false trigger GATE pulses

• Lead-free

• Compatible with 0.3W Standby, Energy Star, CECP,

etc.

Flyback,

Resonant Half-bridge

200V

10.7V

+2A & -7A

60ns (typical)

50ns (typical)

Typical Applications

• LCD & PDP TV, Telecom SMPS, AC-DC adapters,

ATX SMPS, Server SMPS

Typical Connection Diagram

8-Lead SOIC

Vin

Rs

Rdc

Cs

Ci

XFM

U1

Cdc

1

8

VCC VGATE

2 OVT

GND 7

3

MOT

6

VS

Co

RMOT

4 EN

VD 5

Rg

IRIR1111667712AS

Rtn

Q1

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