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UC2714

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具有单输入和死区时间控制的 0.5A/1A 双路栅极驱动器

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UC2714

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米6体育平台手机版_好二三四详情

Number of channels 2 Power switch MOSFET Peak output current (A) 2 Input supply voltage (min) (V) 7 Input supply voltage (max) (V) 20 Features Aux Output, Dead Time Control Operating temperature range (°C) -40 to 85 Rise time (ns) 30 Fall time (ns) 25 Propagation delay time (µs) 0.05 Input threshold TTL Channel input logic Inverting Input negative voltage (V) 0 Rating Catalog, Military Driver configuration Aux Output
Number of channels 2 Power switch MOSFET Peak output current (A) 2 Input supply voltage (min) (V) 7 Input supply voltage (max) (V) 20 Features Aux Output, Dead Time Control Operating temperature range (°C) -40 to 85 Rise time (ns) 30 Fall time (ns) 25 Propagation delay time (µs) 0.05 Input threshold TTL Channel input logic Inverting Input negative voltage (V) 0 Rating Catalog, Military Driver configuration Aux Output
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Single Input (PWM and TTL Compatible)
  • High-Current Power FET Driver, 1-A Source and
    2-A Sink
  • Auxiliary Output FET Driver, 0.5-A Source and
    1-A Sink
  • Time Delays Between Power and Auxiliary Outputs
    Independently Programmable from 50 to 500-ns
  • Time Delay or True Zero-Voltage Operation Independently
    Configurable for Each Output
  • Switching Frequency to 1 MHz
  • Typical 50-ns Propagation Delays
  • ENBL Pin Activates 220-µA Sleep Mode
  • Power Output is Active-Low in Sleep Mode
  • Synchronous Rectifier Driver
  • Single Input (PWM and TTL Compatible)
  • High-Current Power FET Driver, 1-A Source and
    2-A Sink
  • Auxiliary Output FET Driver, 0.5-A Source and
    1-A Sink
  • Time Delays Between Power and Auxiliary Outputs
    Independently Programmable from 50 to 500-ns
  • Time Delay or True Zero-Voltage Operation Independently
    Configurable for Each Output
  • Switching Frequency to 1 MHz
  • Typical 50-ns Propagation Delays
  • ENBL Pin Activates 220-µA Sleep Mode
  • Power Output is Active-Low in Sleep Mode
  • Synchronous Rectifier Driver

These two families of high speed drivers are designed to provide drive waveforms for complementary switches. Complementary switch configurations are commonly used in synchronous rectification circuits and active clamp/reset circuits, which provide zero voltage switching. In order to facilitate the soft switching transitions, independently programmable delays between the two output waveforms are provided on these drivers. The delay pins also have true-zero voltage-sensing capability which allows immediate activation of the corresponding switch when zero voltage is applied. These devices require a PWM-type input to operate and interface with commonly available PWM controllers.

In the UC1714 series, the AUX output is inverted to allow driving a p-channel MOSFET. In the UC1715 series, the two outputs are configured in a true complementary fashion.

These two families of high speed drivers are designed to provide drive waveforms for complementary switches. Complementary switch configurations are commonly used in synchronous rectification circuits and active clamp/reset circuits, which provide zero voltage switching. In order to facilitate the soft switching transitions, independently programmable delays between the two output waveforms are provided on these drivers. The delay pins also have true-zero voltage-sensing capability which allows immediate activation of the corresponding switch when zero voltage is applied. These devices require a PWM-type input to operate and interface with commonly available PWM controllers.

In the UC1714 series, the AUX output is inverted to allow driving a p-channel MOSFET. In the UC1715 series, the two outputs are configured in a true complementary fashion.
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类型 标题 下载最新的英语版本 日期
* 数据表 Complementary Switch FET Drivers 数据表 (Rev. B) 2012年 4月 5日
应用简报 了解峰值源电流和灌电流 (Rev. A) 英语版 (Rev.A) 2020年 4月 29日
应用简报 适用于栅极驱动器的外部栅极电阻器设计指南 (Rev. A) 英语版 (Rev.A) 2020年 4月 29日
应用简报 How to overcome negative voltage transients on low-side gate drivers' inputs 2019年 1月 18日
更多文献资料 Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) 2018年 10月 29日
更多文献资料 MOSFET 和 IGBT 栅极驱动器电路的基本原理 最新英语版本 (Rev.A) 2018年 4月 17日

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