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UC2866
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UC2866

  • 所属类别：ACDC-和-DCDC-电源
  • 产品名称：谐振模式电源控制器
  • 厂商：TI
  • 生产批号：10+
  • 封装：16PDIP
  • 库存状态：有库存
  • 库存量：6000
  • 最低订购量：1
  • 详细资料：点击查找UC2866的pdf资料
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  • Product Introduction

The UC1861 IC - The 1868 series is ideal for the control of zero-current and zero-voltage switching quasi-resonant converters. The difference between this is from the UVLO threshold and the output selection of members of the various combination device family results. In addition, a single-pulse steering logic configuration scheme is available for both time zero-current systems (UC1865-1868) and zero-voltage switching applications for shutdown time (UC1861-1864).

The main control module implementation includes error amplifier compensation for the entire system cycle, driving a voltage-controlled oscillator (VCO) with programmable minimum and maximum frequencies. Triggered by the VCO, the maximum width of a program is generated at one time, and the zero-modulation pulses can be compared by detecting and comparing.

characteristic
  • Controls zero-current switching (zero-current) or zero-voltage switching (zero-voltage switching) quasi-resonant converters
  • Zero terminates a single trigger timer
  • 1% accuracy, 5V reference for soft start
  • Restart failure after programmable delay
  • Voltage-controlled oscillators (VCOs) and programmable minimum and maximum frequencies from 10kHz to 1MHz
  • Low start-up current (150μA typical)
  • Dual 1 amp peak FET drivers
  • UVLO options for offline or DC/DC applications

The ICs associated with UC2866 include:


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