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UCC38051
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UCC38051

  • Category:ACDC- and -DCDC-power supply
  • Product Name:PFC controller for low to medium power applications requiring IEC 1000-3-2
  • Manufacturers:TI
  • Production Batch Number:10+
  • Encapsulation:8PDIP, 8SOIC
  • Stock Status:There is stock
  • Stock Quantity:42000
  • Minimum order quantity: 1
  • Details:点击查找UCC38051的pdf资料
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  • Product introduction

UCC38050与UCC38051的是低到中等功率要求符合IEC 1000-3-2谐波抑制标准的一致性应用的PFC控制器。 它是专为控制一个转型中的经营模式升压预调节器（也称为边界传导模式或临界导电模式操作）。 它采用了一种反馈错误处理，跨导放大器，一个简单的电压产生电流指令输入电压成正比，乘法器，一个电流检测器（PWM）比较器，PWM逻辑和一个用于驱动外部FET的图腾柱驱动程序。

在过渡模式操作时，PWM电路自振荡与导通正由一个电感零电流检测器（ZCD PIN）和关断正由电流检测比较器的管治。

characteristic
 
  • 转换模式PFC控制器低
    实施阶段的造价
  • 产业与改进的引脚兼容
    功能集
  • 改善瞬态响应
    摆率比较
  • 零功率检测过程中防止过压保护
    轻负载条件
  • 准确的严格的输出内部Vnumber
    规例
  • 两个UVLO的选项
  • 过电压保护（OVP）
    反馈开路保护和启用
    circuit
  • ± 750 mA峰值栅极驱动电流
  • 低启动和工作电流
  • 无铅（Pb）-无铅封装
  • apply
    • 台式机开关模式电源供应器，
      显示器，电视机和机顶盒（机顶盒）
    • AC适配器前端电源
    • 电子镇流器
parameter
        UCC38051
On/Off of Undervoltage Lockout Threshold (5)       16/10
Operating power supply (max) (5)       18
Starting current (mA)       0.075
Operating Supply Current (mA)       4
Actual operating frequency (max) (MHz)       0.2
Pins/Packets       8PDIP，8SOIC

andUCC38051Related ICs are:


Model Manufacturers lot number encapsulation illustrate
UCC38051D TI 08 SOP-8 Brand new original
UCC38051 TI 10+ 8PDIP, 8SOIC PFC controller for low to medium power applications requiring IEC 1000-3-2

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