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IR1167ASPBF

International Rectifier
Part Number IR1167ASPBF
Manufacturer International Rectifier
Description SmartRectifier CONTROLLER
Published Dec 21, 2006
Detailed Description www.DataSheet4U.com PRELIMINARY SmartRectifierTM CONTROL IC Features • • • • • • • • Secondary side high speed SR cont...
Datasheet PDF File IR1167ASPBF PDF File

IR1167ASPBF
IR1167ASPBF

Overview
www.
DataSheet4U.
com PRELIMINARY SmartRectifierTM CONTROL IC Features • • • • • • • • Secondary side high speed SR controller DCM, CrCM and CCM flyback topologies 200V proprietary IC technology Max 500KHz switching frequency Anti-bounce logic and UVLO protection 7A peak turn off drive current Micropower start-up & ultra low quiescent current 10.
7/14.
5V gate drive clamp IR1167ASPbF IR1167BSPbF Data Sheet PD60254A • • • • • • • 50ns turn-off propagation delay Vcc range from 11.
3V to 20V Direct sensing of MOSFET drain voltage Minimal component count Simple design Lead-free Compatible with 1W Standby, Energy Star, CECP, etc.
Description IR1167S is a smart secondary side driver IC designed to drive N-Channel power MOSFETs used as synchronous rectifiers in isolated Flyback converters.
The IC can control one or more paralleled N-MOSFETs to emulate the behavior of Schottky diode rectifiers.
The drain to source voltage is sensed differentially to determine the polarity of the current and turn the power switch on and off in proximity of the zero current transition.
Ruggedness and noise immunity are accomplished using an advanced blanking scheme and double-pulse suppression which allow reliable operation in continuous, discontinuous and critical current mode operation and both fixed and variable frequency modes.
Package 8-Lead SOIC IR1167 Application Diagram Vin Rs XFM Cs Ci 1 2 3 RMOT 4 Rdc U1 VCC OVT MOT EN IR1167S VGATE GND VS VD 8 Cdc 6 5 Rg Co Rtn Q1 *Please note that this data sheet contains advanced information that could change before the product is released to production.
www.
irf.
com LOAD 7 1 IR1167AS/BS PRELIMINARY Absolute Maximum Ratings Stress beyond those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device.
These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied.
All voltages a...


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