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UCC2818A-Q1
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UCC2818A-Q1

  • Category:Power management chip
  • Product Name:Automotive BiCMOS power factor preregulator
  • Manufacturers:TI
  • Production Batch Number:10+
  • Encapsulation:16SOIC
  • Stock Status:There is stock
  • Stock Quantity:23000
  • Minimum order quantity: 1
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  • Product introduction

UCC2818A-Q1  汽车类 BiCMOS 功率因数前置稳压器

characteristic

 

  • Qualified automotive applications
  • Controls the boost preregulator to near power factor
  • Distortion of the boundary
  • The Global Line operates
  • Overvoltage protection
  • Precise power limiting
  • Average current mode control
  • Improved immunity to interference
  • Improved feed-forward line adjustment
  • Leading edge modulation
  • Typical start-up current of 150μA
  • Low-power BiCMOS operation
  • 12 V to 17 V operation
  • The frequency range of 6 kHz is 220 kHz

 

Description/Ordering Information

该UCC2818A提供所有功能,主动式功率因数校正预调节器必要的。 The controller realizes that by shaping the AC input current waveform, the corresponding AC input line voltage, the power factor is close. Average current mode control maintains stable, low-distortion sinusoidal line current.

在德州仪器的BiCMOS工艺设计,UCC2818A提供诸如低启动电流的新功能,降低功耗,过电压保护,分流欠压锁定检测电路,一个领先的调制技术以降低纹波电流在大电容和改进低偏移(± 2毫伏)电流放大器,以减少在轻负载条件下的失真。

PFC控制器的UCC2818A直接引脚对引脚与UCC2818设备兼容。 只有UCC2818A输出级已被修改,允许一个较小的外部栅极驱动电阻值的使用。 对于一些地方的电力供应充分足够高的栅极驱动电阻不能使用外观设计的,UCC2818A提供在增加成本的内部栅极电阻更强大的输出级。 该UC2818A栅极驱动,但是,仍然在± 1.2峰值电流能力强大。

UCC2818A是为)应用与固定电源(VCC的。 它采用16针D型封装。

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Model Manufacturers lot number encapsulation illustrate
UCC2818A-Q1 TI 10+ 16SOIC Automotive BiCMOS power factor preregulator

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