UCC21521
Overview
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.
- 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 source, 6-A peak sink output
- TTL and CMOS compatible inputs
- 3-V to 18-V input VCCI range to interface with both digital and analog controllers
- Up to 25-V VDD output drive supply - 5-V, 8-V, 12-V VDD UVLO options
