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This literature is subject to all applicable copyright laws and is not for resale in any manner.www.fairchildsemi.com FSDM1265RB TM Green Mode Fairchild Power Switch (FPS ) Features (4) OUTPUT POWER TABLE Internal Avalanche Rugged Sense FET (3) 230VAC 15% 85-265VAC Advanced Burst-Mode operation that consumes less than 1 W at 240VAC and 0.5W load PRODUCT Adapt- Open Adapt- Open (1) (2) (1) (2) Precision Fixed Operating Frequency (66kHz) er Frame er Frame Internal Start-up Circuit FSDM0565RB 60W 70W 50W 60W Improved Pulse by Pulse Current Limiting FSDM0565RBI 60W 70W 50W 60W Over-Voltage Protection (OVP) FSDM07652RB 70W 80W 60W 70W Over-Load Protection (OLP) Internal Thermal Shutdown Function (TSD) FSDM1265RB 90W 110W 80W 90W Auto-Restart Mode Table 1. Maximum Output Power Under Voltage Lock Out (UVLO) with Hysteresis Notes: Low Operating Current (2.5mA) 1.Typical continuous power in a non-ventilated enclosed Built-in Soft Start adapter measured at 50C ambient. 2.Maximum practical continuous power in an open- frame Application design at 50C ambient. SMPS (Switch Mode Power Supplies) for LCD monitor 3. 230 VAC or 100/115 VAC with doubler. and STB 4. The junction Temperature can limit the Maximum output power. Adapter Description The FSDM1265RB is an integrated Pulse-Width Modulator Typical Circuit (PWM) and a SenseFET which is specifically designed for high performance offline SMPS with minimal external components. This device is an integrated high-voltage power switching regulator which combines a rugged avalanche AC IN DC Sense FET with a current mode PWM control block. The OUT PWM controller includes integrated fixed frequency oscillator, under-voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft-start, and precise current sources that Vstr Drain are temperature compensated for loop compensation and self PWM protection circuitry. Compared with discrete MOSFET and PWM controller solution, it can reduce total cost, component Vfb Vcc Source count, size, and weight, while simultaneously increasing efficiency, productivity, and system reliability. This device is a basic platform which is well suited for cost effective designs of flyback converters. Figure 1. Typical Flyback Application TM FPS is a trademark of Fairchild Semiconductor Corporation. Rev.1.0.0 2005 Fairchild Semiconductor Corporation