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UCC2895-Q1
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UCC2895-Q1

  • Category:ACDC- and -DCDC-power supply
  • Product Name:Automotive BiCMOS advanced phase-shift PWM controller
  • Manufacturers:TI
  • Production Batch Number:11+
  • Encapsulation:20SOIC
  • Stock Status:There is stock
  • Stock Quantity:99430
  • Minimum order quantity: 1
  • Details:点击查找UCC2895-Q1的pdf资料
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  • Product introduction

该UCC2895是相移脉宽调制（PWM）控制器，它实现了转移的一个半桥相对于其它开关相全桥功率级的控制。 它允许在谐振零电压开关一起提供恒定频率PWM在高频率的高效率。 The device can be used not only as a voltage-mode or current-mode controller.

虽然UCC2895保持了UC3875/6/7/8家庭和UC3879的功能，它提高了控制逻辑，如增强，自适应延时设置，并关闭该功能与其他功能控制器系列。 由于它是使用BCDMOS工艺，它的运作与显着高于其供应减少与双极型晶体管的电流。

characteristic
 
  • Qualified automotive applications
  • Programmable output turn-on delay
  • Bidirectional oscillator synchronization
  • 电压模式，峰值电流模式或平均电流模式控制
  • 可编程软启动/软停止和禁用芯片通过一个引脚
  • 0% to 100% duty cycle control
  • 7 MHz error amplifier
  • to 1 MHz operation
  • Typical 5-mA operating current is 500 kHz
  • 非常低的150μA电流在欠压锁定（UVLO）
  • apply
    • Phase shift full-bridge converter
    • Offline, telecommunications, datacom and servers
    • Distributed power architecture
    • High-density power modules
parameter
  UCC2895 - 1季
topology Full bridge
Control method Current mode, voltage mode
Duty cycle (max.) (%) 100
Frequency (max) (khertz) 1000
On/Off of Undervoltage Lockout Threshold (5) 11.8/9.8
Pins/Packets 20SOIC
(#) Regulated output 4
Operating temperature range(°C) -40 to 125

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