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UC2853N
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UC2853N

  • 所属类别:电源管理芯片
  • 产品名称:高功率因数前置稳压器
  • 厂商:TI/BB
  • 生产批号:06+
  • 封装:DIP-8/SOP-8
  • 库存状态:有库存
  • 库存量:9000
  • 最低订购量:10
  • 详细资料:点击查找UC2853N的pdf资料
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  • Product Introduction

 

The UC3853 provides simple, yet high-performance active power factor correction. Using the same control technology for the UC1854, the 8-pin device utilizes a simplified architecture and an internal oscillator to reduce the number of external components. The UC3853 utilizes a sophisticated multiplier/square/divider circuit, voltage and current loop error amplifier, high-precision voltage reference and implementation with RMS mean line voltage compensation current mode control. This control technology minimizes the change of input voltage input line current distortion over a global scale while maintaining the input voltage, and the continuous closed-loop gain.

The internal 75kHz oscillator includes an external clock input that allows synchronization to the downstream converter.

 

characteristic

 

  • A complete 8-pin power factor solution
  • Reduce external components
  • Line voltage compensation for RMS
  • Precision multiplier/square/divider
  • The internal 75kHz oscillator is synchronized
  • Average current mode PWM control
  • Overvoltage protection comparison
  • High current, gate driver clamping

 

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Model Manufacturers lot number encapsulation illustrate
UC2853N TI/BB 06+ DIP-8/SOP-8 High power factor pre-regulator

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