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IR11672ASPBF - 

MOSFET IC, Half Bridge, 11.3V-20V Supply, 7A Out, 50ns Delay, SOIC-8

IR11672ASPBF - MOSFET IC, Half Bridge, 11.3V-20V Supply, 7A Out, 50ns Delay, SOIC-8

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IR11672ASPBF   Datasheet
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Product Overview

The IR11672ASPBF is an ADVANCED SMARTRECTIFIER™ secondary-side Driver IC designed to drive N-channel power MOSFETs used as synchronous rectifiers in isolated flyback and resonant half-bridge converters. The IC can control one or more paralleled N-MOSFETs to emulate the behaviour 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. The cycle-by-cycle MOT protection circuit can automatically detect no load condition and turn off gate driver output to avoid negative current flowing through the MOSFETs. Ruggedness and noise immunity are accomplished using an advanced blanking scheme and double-pulse suppression which allow reliable operation in all operating modes.
  • Secondary side high speed SR controller
  • DCM, CrCM flyback and resonant half-bridge topologies
  • Anti-bounce logic and UVLO protection
  • Micropower start-up and ultra low quiescent current
  • 50ns Turn-OFF propagation delay
  • Direct sensing of MOSFET drain voltage
  • Enable function synchronized with MOSFET VDS transition
  • Cycle by cycle MOT check circuit prevents multiple false trigger GATE pulses
  • Compatible with 0.3W standby, Energy Star, CECP


Power Management, Consumer Electronics, Communications & Networking, Imaging, Video & Vision

Product Information

Half Bridge
MSL 2 - 1 year
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