SG6859A — Low Cost, Green-Mode PWM Controller for Flyback Converters SG6859A Low-Cost, Green-Mode PWM Controller for Flyback Converters Features  Green-Mode PWM  Supports the “Blue Angel” Standard  Low Startup Current: 9 μA  Low Operating Current: 3 mA  300 mA Driving Capability  Leading-Edge Blanking  Constant Output Power Limit  Universal Input  Built-in Synchronized Slope Compensation  Current-Mode Operation  Cycle-by-cycle Current Limiting  Under-Voltage Lockout (UVLO)  Programmable PWM Frequency with Frequency Hopping  VDD Over-Voltage Protection (Auto Restart)  Gate Output Voltage Clamped at 17 V  Low Cost  Few External Components Required  Small SOT23-6L Package D...

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