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SG6859A - Low Cost Green-Mode PWM Controller

Description

This highly integrated PWM controller provides several enhancements designed to meet the low standby-power needs of low-power SMPS.

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).

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Full PDF Text Transcription

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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 Description This highly integrated PWM controller provides several enhancements designed to meet the
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