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UC3869 Datasheet High Voltage Green Mode Pwm Controller

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UC3869 Preliminary HIGH VOLTAGE GREEN MODE PWM CONTROLLER.

General Description

The UTC UC3869 is a highly integrated current mode PWM control IC with high voltage start up, optimized for high performance, low standby power consumption and cost effective offline flyback converter applications.

PWM switching frequency at normal operation is internally fixed and is trimmed to a tight range.

At no load condition, the IC operates in power-saving mode for lower standby power, decreasing frequency for Higher conversion efficiency at light load condition.

Key Features

  • S.
  • High voltage startup.
  • Power on soft start reducing MOSFET Vds stress.
  • Efficiency and minimum standby power.
  • Frequency shuffling for EMI.
  • Audio noise free operation.
  • Fixed 65KHZ switching frequency.
  • Comprehensive protection coverage VDD Under Voltage Lockout with Hysteresis (UVLO) Cycle-by-cycle over current protection (OCP) Overload Protection (OLP) External programmable Over Temperature Protection (OTP) VDD Over voltage Protection(OVP) CMOS IC www. unisoni.

More Datasheets from Unisonic Technologies

Part Number Description
UC3869A HIGH VOLTAGE GREEN MODE PWM CONTROLLER
UC3869H HIGH VOLTAGE GREEN MODE PWM CONTROLLER
UC3863 LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3863A LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3816A LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3833L ADVANCED GREEN-MODE PWM CONTROLLER
UC3837 LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3837L LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3838 PWM CONTROLLER
UC3842A CURRENT MODE PWM CONTROLLER

UC3869 Distributor