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FSDM07652R Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FSDM07652R Datasheet(HTML) 1 Page - Fairchild Semiconductor |
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1 / 20 page  ©2005 Fairchild Semiconductor Corporation www.fairchildsemi.com Rev.1.0.5 Features • Internal Avalanche Rugged Sense FET • Advanced Burst-Mode operation consumes under 1 W at 240VAC & 0.5W load • Precision Fixed Operating Frequency (66kHz) • Internal Start-up Circuit • Pulse by Pulse Current Limiting • Abnormal Over Current Protection (AOCP) • Over Voltage Protection (OVP) • Over Load Protection (OLP) • Internal Thermal Shutdown Function (TSD) • Auto-Restart Mode • Under Voltage Lock Out (UVLO) with hysteresis • Low Operating Current (2.5mA) • Built-in Soft Start Application • SMPS for LCD monitor and STB • Adaptor Description The FSDM0565R is an integrated Pulse Width Modulator (PWM) and Sense FET specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components. This device is an integrated high voltage power switching regulator which combine an avalanche rugged Sense FET with a current mode PWM control block. The PWM controller includes integrated fixed frequency oscillator, under voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft start, temperature compensated precise current sources for a loop compensation and self protection circuitry. Compared with discrete MOSFET and PWM controller solution, it can reduce total cost, component count, size and weight simultaneously increasing efficiency, productivity, and system reliability. This device is a basic platform well suited for cost effective designs of flyback converters. Table 1. Notes: 1. Typical continuous power in a non-ven- tilated enclosed adapter measured at 50 °C ambient. 2. Maximum practical continuous power in an open frame design at 50 °C ambient. 3. 230 VAC or 100/115 VAC with doubler. Typical Circuit Figure 1. Typical Flyback Application OUTPUT POWER TABLE PRODUCT 230VAC ±15%(3) 85-265VAC Adapt- er(1) Open Frame(2) Adapt- er(1) Open Frame(2) FSDM0565R 60W 70W 50W 60W FSDM07652R 70W 80W 60W 70W Drain Source Vstr Vfb Vcc PWM AC IN DC OUT FSDM0565R Green Mode Fairchild Power Switch (FPSTM) |
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