IR1168S Ver la hoja de datos (PDF) - International Rectifier

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IR1168S

DUAL SMART RECTIFIER DRIVER IC

International Rectifier 

Datasheet No – PD97382

September 26, 2011

IR1168S

DUAL SMART RECTIFIER DRIVER IC

Features

• Secondary-side high speed controller for

synchronous rectification in resonant half bridge

topologies

• 200V proprietary IC technology

• Max 500KHz switching frequency

• Anti-bounce logic and UVLO protection

• 4A peak turn off drive current

• Micropower start-up & ultra low quiescent current

• 10.7V gate drive clamp

• 70ns turn-off propagation delay

• Wide Vcc operating range

• Direct sensing for both Synchronous Rectifiers

• Minimal component count

• Simple design

• Lead-free

Product Summary

Topology

VD

VOUT

Io+ & I o- (typical)

Turn on Propagation Delay

Turn off Propagation Delay

Package Options

LLC Half-bridge

200V

10.7V Clamped

+1A & -4A

60ns (typical)

70ns (typical)

Typical Applications

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

8-Lead SOIC

Typical Connection Diagram

Vin

C1

M1

Lr

1

2

C2

M2

Rtn

SR1

Cdc

Rg1

1 GATE1 GATE2 8

2 VCC

GND 7

3 VS1

VS2 6

4 VD1

VD2 5

IR11IR618168

Rg2

SR2

Cout

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© 2009 International Rectifier

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