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UCC2895-Q1 - 产品图解:
UCC2895-Q1-汽车类 BiCMOS 高级相移 PWM 控制器
TI产品 - UCC2895-Q1介绍
UCC2895-Q1 - 汽车类 BiCMOS 高级相移 PWM 控制器

UCC2895-Q1是TI公司的一款PWM与谐振控制器产品,UCC2895-Q1是汽车类 BiCMOS 高级相移 PWM 控制器,本页介绍了UCC2895-Q1的产品说明、应用、特性等,并给出了与UCC2895-Q1相关的TI元器件型号供参考。

UCC2895-Q1 - 汽车类 BiCMOS 高级相移 PWM 控制器 - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - TI公司(Texas Instruments,德州仪器)


The UCC2895-Q1 is a phase-shift pulse-width modulation (PWM) controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. It allows constant-frequency PWM in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The device can be used either as a voltage-mode or current-mode controller.

Although the UCC2895-Q1 maintains the functionality of the UC3875/6/7/8 family and UC3879, it improves on that controller family with additional features such as enhanced control logic, adaptive delay set, and shutdown capability. Because it is built using the BCDMOS process, it operates with dramatically less supply current than its bipolar counterparts. The UCC2895-Q1 can operate with a maximum clock frequency of 1MHz.


  • Qualified for Automotive Applications
  • Programmable Output Turn-On Delay
  • Bidirectional Oscillator Synchronization
  • Voltage-Mode, Peak-Current-Mode, or Average-Current-Mode Control
  • Programmable Soft Start/Soft Stop and Chip Disable Via a Single Pin
  • 0% to 100% Duty-Cycle Control
  • 7-MHz Error Amplifier
  • Operation to 1 MHz
  • Typical 5-mA Operating Current at 500 kHz
  • Very Low 150-µA Current During Undervoltage Lockout (UVLO)

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