UCC21520
Overview
The UCC21520 is an isolated dual-channel gate driver with 4A source and 6A sink peak current. It is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5MHz.
- Junction temperature range -40 to +150°C
- Switching parameters: - 33ns typical propagation delay - 20ns minimum pulse width - 6ns maximum pulse-width distortion
- Common-mode transient immunity (CMTI) greater than 125V/ns
- Surge immunity up to 10kV
- 4A peak source, 6A peak sink output
- 3V to 18V input VCCI range to interface with both digital and analog controllers
- Up to 25V VDD output drive supply - 5V and 8V VDD UVLO options
- Programmable overlap and dead time
- Fast disable for power sequencing
- Safety-related certifications (planned): - 8000VPK reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17) - 5.7kVRMS isolation for 1 minute per UL 1577 - CQC certification per GB4943.1-2022
