FSDM0465RS Green Mode Fairchild Power Switch (FPS) April 2009 FSDM0465RS Green Mode Fairchild Power Switch (FPS) Features Description Internal Avalanche Rugged SenseFET The FSDM0465RS is an integrated Pulse-Width Modulator (PWM) and SenseFET specifically designed Advanced Burst-Mode Operation Consumes for high-performance offline Switch Mode Power under 1W at 240V and 0.5W Load AC Supplies (SMPS) with minimal external components. Precision Fixed Operating Frequency: 66kHz The device is an integrated, high-voltage, power- Internal Startup Circuit switching regulator that combines an avalanche rugged Improved Pulse-by-Pulse Current Limiting SenseFET with a current mode PWM control block. The Over-Voltage Protection (OVP) PWM controller includes integrated fixed-frequency oscillator, under-voltage lockout, leading-edge blanking Overload Protection (OLP) (LEB), optimized gate driver, internal soft-start, Internal Thermal Shutdown Function (TSD) temperature-compensated precise-current sources for a Abnormal Over-Current Protection (AOCP) loop compensation and self-protection circuitry. Auto-Restart Mode Compared with a discrete MOSFET and PWM controller Under-Voltage Lock Out (UVLO) with Hysteresis solution, it reduces total cost, component count, size and Low Operating Current: 2.5mA weight while increasing efficiency, productivity and system reliability. This device is a basic platform well suited for Built-in Soft-Start cost effective designs of flyback converters. Applications SMPS for LCD Monitor and STB Adaptor Ordering Information Marking R DS(ON) Product Number Package Eco Status BV DSS Code Max. (1) FSDM0465RSWDTU TO-220F-6L(Forming) RoHS DM0465RS 650V 2.6 Note: 1. WDTU: Forming Type. For Fairchilds definition of green Eco Status, please visit: FSDM0465RS Green Mode Fairchild Power Switch (FPS) Typical Circuit AC IN DC OUT Vstr Drain PWM Vfb Vcc Source FSDM0465RS Rev: 00 Figure 1. Typical Flyback Application Output Power Table (2) Maximum Output Power (3) Product 230V 15% 85265V AC AC (4) (5) (4) (5) Adapter Open Frame Adapter Open Frame FSDM0465RS 48W 56W 40W 48W Notes: 2. The junction temperature can limit the maximum output power. 3. 230V or 100/115V with doubler. AC AC 4. Typical continuous power in a non-ventilated enclosed adapter measured at 50C ambient temperature. 5. Maximum practical continuous power in an open-frame design at 50C ambient. 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FSDM0465RS Rev. 1.0.1 2