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UCC25702
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UCC25702

  • Category:ACDC- and -DCDC-power supply
  • Product Name:Advanced voltage mode pulse width modulator
  • Manufacturers:TI
  • Production Batch Number:08+
  • Encapsulation:14PDIP, 14SOIC, 14TSSOP
  • Stock Status:There is stock
  • Stock Quantity:2560
  • Minimum order quantity: 1
  • Details:点击查找UCC25702的pdf资料
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  • Product introduction

在脉宽调制器UCC35701/UCC35702家庭是用于隔离开关电源采用初级侧控制供应。 它们可以同时用于离线应用和DC / DC转换器的设计，如在分布式电力系统架构，或作为电信电源。

这些器件具有低启动电流，高效率的场外起跑线上允许，但有足够的输出驱动器在500kHz的开关功率MOSFET过剩。

电压前馈补偿，超过5:1的输入范围经营，并提供快速，准确的反应超过4:1的范围输入电压的变化。 准确的伏秒钳和最大占空比限制也展出。

故障保护提供了脉冲的脉冲电流限制，以及有能力锁存故障后，重复发生了可编程数字。

characteristic

 
  • 700kHz操作
  • 集成振荡器/电压前馈补偿
  • 精确的占空比限制
  • 准确的伏秒钳位
  • 光耦接口
  • 计数关机故障
  • 故障锁断或自动关机
  • 软停止同步整流优化
  • 1A峰值栅极驱动输出
  • 130μA启动电流
  • 750μA工作电流
parameter
  UCC25702  
topology Boost, reverse, forward  
Control method Voltage mode  
Duty cycle (max.) (%) 99  
Frequency (max) (khertz) 700  
On/Off of Undervoltage Lockout Threshold (5) 9.9/9.1  
Pins/Packets 14PDIP，14SOIC，14TSSOP  
(#) Regulated output One  
Operating temperature range(°C) -40 to 85  

andUCC25702Related ICs are:


Model Manufacturers lot number encapsulation illustrate
UCC25702N TI 00+ DIP-14 Brand new inventory
UCC25702D UNITRODE 00+ SOP-14P Brand new original in stock
UCC25702 TI 08+ 14PDIP, 14SOIC, 14TSSOP Advanced voltage mode pulse width modulator

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