UC3714 - 辅助开关 FET 驱动器

UC3714是TI德州仪器公司的一款低侧驱动器产品，UC3714是辅助开关 FET 驱动器，本站介绍了UC3714的封装应用图解、特点和优点、功能等，并给出了与UC3714相关的TI元器件型号供参考。

UC3714 - 辅助开关 FET 驱动器 - 低侧驱动器 - MOSFET和IGBT栅极驱动器 - 德州仪器

产品描述

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.

产品特性

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

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