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UCC21521 Datasheet Dual-channel Gate Driver

Manufacturer: Texas Instruments

Overview: UCC21521 SLUSCO3B – SEPTEMBER 2016 – REVISED DECEMBER 2021 UCC21521 4-A, 6-A, 5.

General Description

The UCC21521 is an isolated dual-channel gate driver with 4-A source and 6-A sink peak current.

It is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5-MHz with best-in-class propagation delay and pulse-width distortion.

The input side is isolated from the two output drivers by a 5.7-kVRMS reinforced isolation barrier, with a minimum of 100-V/ns common-mode transient immunity (CMTI).

Key Features

  • Universal: dual low-side, dual high-side or halfbridge driver.
  • Operating temperature range.
  • 40 to +125°C.
  • Switching parameters:.
  • 19-ns typical propagation delay.
  • 10-ns minimum pulse width.
  • 5-ns maximum delay matching.
  • 6-ns maximum pulse-width distortion.
  • Common-mode transient immunity (CMTI) greater than 100 V/ns.
  • Surge immunity up to 12.8 kV.
  • Isolation barrier life >40 years.
  • 4-A peak sou.

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