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IR1167BSPBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR1167BSPBF
部品説明 (IR1167ASPBF / IR1167BSPBF) SmartRectifier CONTROL IC
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR1167BSPBF Datasheet, IR1167BSPBF PDF,ピン配置, 機能
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PRELIMINARY
Data Sheet PD60254A
IR1167ASPbF
IR1167BSPbF
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
• 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
Package
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 transi-
tion.
Ruggedness and noise immunity are accomplished using an advanced blanking scheme
and double-pulse suppression which allow reliable operation in continuous, discontinuous
8-Lead SOIC
and critical current mode operation and both fixed and variable frequency modes.
IR1167 Application Diagram
Vin
Rs
Cs
Ci
XFM
Rdc
RMOT
U1
1 VCC
2 OVT
3 MOT
4 EN
VGATE
GND
VS
VD
IR1167S
8
7
6
5
Rg
Cdc
Co
Rtn Q1
*Please note that this data sheet contains advanced information that could change before the product is released to production.
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