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SG5701 - Green-Mode PWM Controller

Description

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

Features

  • Green-Mode PWM Controller.
  • Supports the “Blue Angel” Standard.
  • Low Startup Current: 10 μA.
  • Low Operating Current: 2 mA.
  • Programmable PWM Frequency.
  • Leading-Edge Blanking.
  • Built-in Synchronized Slope Compensation.
  • Cycle-by-Cycle Current Limiting.
  • Constant Output Power Limit.
  • Current Mode Operation.
  • Under-Voltage Lockout (UVLO).
  • Universal Input.
  • Gate Output Voltage Clamped at 17 V.
  • Low Cost.
  • Few External Components Require.

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Full PDF Text Transcription

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NOT RECOMMENDED FOR NEW DESIGNS SG5701 — Low Cost, Green-Mode PWM Controller for Flyback Converters SG5701 Low-Cost, Green-Mode PWM Controller for Flyback Converters Features  Green-Mode PWM Controller  Supports the “Blue Angel” Standard  Low Startup Current: 10 μA  Low Operating Current: 2 mA  Programmable PWM Frequency  Leading-Edge Blanking  Built-in Synchronized Slope Compensation  Cycle-by-Cycle Current Limiting  Constant Output Power Limit  Current Mode Operation  Under-Voltage Lockout (UVLO)  Universal Input  Gate Output Voltage Clamped at 17 V  Low Cost  Few External Components Required  Small SSOT-6 Package Applications General-purpose switching mode power supplies and flyback power converters, such as:  Battery chargers for cellular phones, cordless phones, PD
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