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IRIS-A6151

International Rectifier
Part Number IRIS-A6151
Manufacturer International Rectifier
Description INTEGRATED SWITCHER
Published Mar 15, 2007
Detailed Description www.DataSheet4U.com Data Sheet No. PD 96933A IRIS-A6151 •Small sized 8-pin DIP type full molded package, optimum IC fo...
Datasheet PDF File IRIS-A6151 PDF File

IRIS-A6151
IRIS-A6151

Overview
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PD 96933A IRIS-A6151 •Small sized 8-pin DIP type full molded package, optimum IC for lowheight SMPS Package Outline •Off-timer circuit is provided on the monolithic control IC • Low start-up circuit current (10uA typ) •Low circuit current at operation (1.
5mA typ) • Avalanche energy guaranteed MOSFET with high VDSS The built-in power MOSFET simplifies the surge absorption circuit since the MOSFET guarantees the avalanche energy.
No VDSS de-rating is required.
•Built-in Start-up circuit (the power loss in the start-up circuit is reduced by cutting off the start-up circuit after the IC starts its operation.
) •Auto Burst Stand-by (realizing input power<0.
1W at no load) •Auto Bias Function (stable burst operation without the interference on transformer) •Two operational modes by auto switching functions For normal operation: PRC mode 8 Lead PDIP For stand-by operation (at light load): Burst mode •Built-in Leading Edge Blanking Function Key Specifications •Built-in constant voltage drive circuit MOSFET RDS(ON) •Various kinds of protection functions Type VDSS(V) MAX ACinput(V) Pulse-by-pulse Overcurrent Protection (OCP) 230±15% Overload Protection with auto recovery (OLP) 85 to 264 IRIS-A6151 650 4Ω Overvoltage Protection with latch mode (OVP) Thermal Shutdown with latch mode (TSD) Features INTEGRATED SWITCHER Pout(W) Note 1 10 8 Descriptions IRIS-A6151 is a hybrid IC consisting of a power MOSFET and a controller IC, designed for PRC fly-back converter type SMPS (Switching Mode Power Supply) applications, applicable for PRC operation for small power SMPS.
This IC realizes downsizing and standardizing of a power supply system reducing external component count and simplifying the circuit design.
Note: PRC is abbreviation for “Pulse Ratio Control” (On-width control with fixed OFF-time).
Typical Connection Diagram 8 D D 7 6 NC 5 Startup IRIS-A6151 OCP 1 Vcc 2 GND 3 FB 4 Note 1: The pout (W) represents the thermal rating at PRC Op...


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