FSL137MRIN

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This literature is subject to all applicable copyright laws and is not for resale in any manner. FSL137MRIN Green-Mode Fairchild Power Switch (FPS™) Features Description  Advanced Soft Burst Mode for Low Standby Power and Low Audible Noise   Random Frequency Fluctuation (RFF) for Low EMI   Pulse-by-Pulse Current Limit 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.      Under 50 mW Standby Power Consumption at 265 VAC, No-load Condition with Burst Mode 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-Voltage Protection (LOVP) Low Operating Current (0.4 mA) in Burst Mode Internal Startup Circuit Compared with a discrete MOSFET and PWM controller solution, the FSL137MRIN reduces total cost, component count, size, and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a basic platform suited for cost-effective design of flyback converters. Internal High-Voltage SenseFET: 700 V Built-in Soft-Start: 15 ms Auto-Restart Mode Applications  Power Supply for Home Appliances, LCD Monitors, STBs, and DVD Players Ordering Information Output Power Table(2) (1) Part Number Package FSL137MRIN 8-DIP Operating Current RDS(ON) Junction Limit (Max.) Temperature (Typ.) -40°C ~ +125°C 1.3 A 4.75  230 VAC ±15% Adapter(3) 25 W 85-265 VAC Open Adapter(3) Frame(4) 30 W Open Frame(4) 15 W 20 W Notes: 1. Lead-free package per JEDEC J-STD-020B. 2. The junction temperature can limit the maximum output power. 3. Typical continuous power in a non-ventilated enclosed adapter measured at 50C ambient temperature. 4. Maximum practical continuous power in an open-frame design at 50C ambient temperatures. © 2012 Fairchild Semiconductor Corporation FSL137MRIN • Rev. 1.0.3 www.fairchildsemi.com FSL137MRIN — Green-Mode Fairchild Power Switch (FPS™) October 2013 FSL137MRIN — Green-Mode Fairchild Power Switch (FPS™) Application Circuit VO AC IN VSTR VIN Drain PWM GND VCC FB Figure 1. Typical Application Circuit Internal Block Diagram VSTR VCC Drain 5 2 6, 7, 8 ICH Vburst 0.35V / 0.5V VREF Soft Burst VCC Good 7.5V / 12V Random VCC VREF 2.0µA IDELAY FB OSC 90µA IFB Soft-Start PWM 3 S Q R Q Gate Driver 3R R LEB (300ns) tON