IR11682S_15 Datasheet, PDF (1/22 Pages) International Rectifier – 200V proprietary IC technology

Datasheet No – 97476
July 1, 2011
IR11682S
DUAL SmartRectifier^TM DRIVER IC
Features
Product Summary
• Secondary-side high speed controller for
synchronous rectification in resonant half bridge
Topology
topologies
VD
• 200V proprietary IC technology
• Max 400KHz switching frequency
V_OUT
• Anti-bounce logic and UVLO protection
• 4A peak turn off drive current
I_o+ & I _o- (typical)
• Micropower start-up & ultra low quiescent current
Turn on Propagation Delay
• 10.7V gate drive clamp
• 80ns turn-off propagation delay
Turn off Propagation Delay
• Wide Vcc operating range
• Direct sensing for both Synchronous Rectifiers
Package Options
• Cycle by Cycle MOT Check Circuit prevents multiple
false trigger GATE pulses
• Minimal component count
• Simple design
• Lead-free
LLC Half-bridge
200V
10.7V Clamped
+1A & -4A
100ns (typical)
80ns (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
IR1^I1^R16¹8⁶⁸2
Rg2
SR2
Cout
LOAD
www.irf.com
© 2010 International Rectifier