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FSBH0270 Datasheet

Part NameFSBH0270 Fairchild
Fairchild Semiconductor Fairchild
DescriptionGreen Mode Fairchild Power Switch (FPS™)
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Description
The highly integrated FSBH-series consists of an integrated current-mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V SenseFET. It is specifically designed for high-performance offline Switch Mode Power Supplies (SMPS) with minimal external components.

Features
ƒ  Brownout Protection with Hysteresis
ƒ  Built-In 5ms Soft-Start Function
ƒ  Internal Avalanche-Rugged 700V SenseFET
ƒ  No Acoustic Noise During Light-Load Operation
ƒ  High-Voltage Startup
ƒ  Linearly Decreasing PWM Frequency to 18KHz
ƒ  Peak-Current-Mode Control
ƒ  Cycle-by-Cycle Current Limiting
ƒ  Leading-Edge Blanking (LEB)
ƒ  Synchronized Slope Compensation
ƒ  Internal Open-Loop Protection
ƒ  VDDUnder-Voltage Lockout (UVLO)
ƒ  VDDOver-Voltage Protection (OVP)
ƒ  Internal Auto-RestartCircuit (OVP, OTP)
ƒ  Constant Power Limit (Full AC Input Range)
ƒ  Internal OTP Sensor with Hysteresis
ƒ  VIN Pin for Pull-HIGH Latch Function and Pull LOW Auto-Recovery Protection

Applications
General-purpose switch-mode power supplies and flyback power converters, including:
ƒ  Auxiliary Power Supply for PC and Server
ƒ  SMPS for VCR, SVR, STB, DVD & DVCD Player, Printer, Facsimile, and Scanner
ƒ  Adapter for Camcorder

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