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FSD176MRT Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FSD176MRT Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 17 page September 2011 © 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FSD176MRT • Rev. 1.0.0 FSD176MRT Green-Mode Fairchild Power Switch (FPS™) Features Advanced Soft Burst-Mode Operation for Low Standby Power and Low Audible Noise Random Frequency Fluctuation for Low EMI Pulse-by-Pulse Current Limit Various Protection Functions: 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 Low Operating Current (0.4mA) in Burst Mode Internal Startup Circuit Internal High-Voltage SenseFET: 650V Built-in Soft-Start: 15ms Auto-Restart Mode Applications Power Supply for LCD Monitor, STB, and DVD Combination Description The FSD176MRT is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components. The PWM controller includes an integrated fixed-frequency oscillator, Under-Voltage Lockout (UVLO), Leading- Edge Blanking (LEB), optimized gate driver, internal soft-start, temperature-compensated precise current sources for loop compensation, and self-protection circuitry. Compared with a discrete MOSFET and PWM controller solution, the FSD176MRT can reduce total cost, component count, size, and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a basic platform for cost-effective design of a flyback converter. Ordering Information Part Number Package Operating Junction Temperature Current Limit RDS(ON) (Max.) Output Power Table (2) Replaces Device 230VAC ±15% (3) 85~265VAC Adapter (4) Open Frame (5) Adapter (4) Open Frame (5) FSD176MRTUDTU TO-220 6-Lead (1) U-Forming -40°C ~ +125°C 3.50A 1.6Ω 80W 90W 48W 70W FSGM0765R FSD176MRTLDTU TO-220 6-Lead (1) L-Forming -40°C ~ +125°C 3.50A 1.6Ω 80W 90W 48W 70W FSGM0765R Notes: 1. Pb-free package per JEDEC J-STD-020B. 2. The junction temperature can limit the maximum output power. 3. 230VAC or 100/115VAC with voltage doubler. 4. Typical continuous power in a non-ventilated enclosed adapter measured at 50 C ambient temperature. 5. Maximum practical continuous power in an open-frame design at 50 C ambient temperature. |
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