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FSL137MRIN Datasheet Green-Mode Fairchild Power Switch

Manufacturer: Fairchild (now onsemi)

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General Description

The FSL137MRIN is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switched Mode Power Supplies (SMPS) with minimal external components.

The PWM controller includes an integrated fixed-frequency oscillator, Line Over-Voltage Protection (LOVP), UnderVoltage Lockout (UVLO), Leading-Edge Blanking (LEB), optimized gate driver, internal soft-start, temperaturecompensated precise current sources for loop compensation, and self-protection circuitry.

Compared with a discrete MOSFET and PWM controller solution, the FSL137MRIN reduces total cost, component count, size, and weight;

Overview

FSL137MRIN — Green-Mode Fairchild Power Switch (FPS™) March 2013 FSL137MRIN Green-Mode Fairchild Power Switch.

Key Features

  • Advanced Soft Burst Mode for Low Standby Power and Low Audible Noise.
  • Random Frequency Fluctuation (RFF) for Low EMI.
  • Under 50 mW Standby Power Consumption at 265 VAC, No-load Condition with Burst Mode.
  • Pulse-by-Pulse Current Limit.
  • Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis, Output-Short Protection (OSP), and Under-Voltage Lockout (UVLO) with Hysteresis, Line Over-Vo.

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