UCC25800-Q1 Ultra-low EMI Transformer Driver for Isolated Bias Supplies

1 Features

High-efficiency half-bridge transformer driver
Ultra-low EMI with low interwinding capacitance
Smaller and lower-cost transformer
- Programmable frequency: 0.1 MHz to 1.2 MHz
Wide input voltage range: 9 V to 34 V
- 9 W from 34-V input
- 6 W from 24-V input
- 4 W from 15-V input
Automatic dead-time adjustment with maximum dead-time programming
External clock synchronization for low noise
Robust protection features
- Undervoltage lockout (UVLO)
- Programmable over-current protection (OCP)
- Input overvoltage protection (OVP)
- Over temperature protection (TSD)
- Integrated soft-start to reduce in-rush current
- External disable function with fault-code output
AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
8-Pin DGN package with thermal pad