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This literature is subject to all applicable copyright laws and is not for resale in any manner.FAN302HLMY F117 mWSaver PWM Controller for Low Standby Power Battery-Charger Applications January 2013 FAN302HLMY F117 PWM Controller for Low Standby Power Battery- Charger Applications mWSaver Technology Description Features The FAN302HLMY F117 advanced PWM controller mWSaver Technology Provides Industrys significantly simplifies isolated power supply design that Best-in-Class Standby Power requires CC regulation of the output. The output current - Ultra Low Power Consumption at No Load is precisely estimated with information in the primary (<10 mW at 230 V ) AC side of the transformer and controlled with an internal compensation circuit. This removes the output current - Proprietary 500V High-Voltage JFET Startup sensing loss and eliminates all external Control Circuitry Reduces Startup Resistor Loss (CC). The Green-Mode function, with an extremely low - Low Operation Current in Burst Mode: operating current (200 A) in Burst Mode, maximizes 350 A Maximum the light-load efficiency, enabling conformance to worldwide Standby Mode efficiency guidelines. Constant-Current (CC) Control without Secondary- Feedback Circuitry Integrated protections include two-level pulse-by-pulse current limit, Over-Voltage Protection (OVP), brownout Fixed PWM Frequency at 85kHz with Frequency protection, and Over-Temperature Protection (OTP). Hopping to Reduce EMI Compared with a conventional approach using an High-Voltage Startup external control circuit in the secondary side for CC Low Operating Current: 3.5 mA regulation, the FAN302HLMY F117 can reduce total cost, component count, size, and weight while Peak-Current-Mode Control with Slope simultaneously increasing efficiency, productivity, and Compensation system reliability. Cycle-by-Cycle Current Limiting Maximum V O V Over-Voltage Protection (Auto-Restart) DD Typical Minimum V Over-Voltage Protection (Latch Mode) S V Under-Voltage Lockout (UVLO) DD Gate Output Maximum Voltage Clamped at 15 V Fixed Over-Temperature Protection (Latch Mode) Available in an 8-Lead SOIC Package Applications I O Battery Chargers for Cellular Phones, Cordless Figure 1. Typical Output V-I Characteristic Phones, PDAs, Digital Cameras, and Power Tools Replaces Linear Regulators and RCC SMPS Ordering Information Operating Packing Part Number Package Temperature Range Method 8-Lead, Small Outline Package (SOIC), FAN302HLMY F117 -40C to +105C Tape & Reel JEDEC MS-012, .150-Inch Narrow Body 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN302HLMY F117 Rev. 1.0.2