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SG6859A Key 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 pensation
  • Current-Mode Operation

Related Fairchild Datasheets

Part Number Description
SG6859 Low Cost Green-Mode PWM Controller
SG6858 Green-Mode PWM Controller
SG6846 Highly Integrated Green-Mode PWM Controller
SG6846A Highly Integrated Green-Mode PWM Controller
SG6846B Highly Integrated Green-Mode PWM Controller

SG6859A Description

This highly integrated PWM controller provides several enhancements designed to meet the low standby-power needs of low-power SMPS. To minimize standby power consumption, the proprietary green-mode function provides off-time modulation to linearly decrease the switching frequency under light-load conditions. This green-mode function enables the power supply to meet even the strictest power conservation requirements.