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IR1168S Datasheet, PDF (1/19 Pages) International Rectifier – DUAL SMART RECTIFIER DRIVER IC | |||
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Datasheet No â PD97382
March 6, 2009
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
8
GATE1 GATE2
2 VCC
GND 7
3 VS1
VS2 6
4
VD1
5
VD2
IR11IR618168
Rg2
SR2
Cout
LOAD
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© 2008 International Rectifier
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