Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Data Sheet
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, TA
- Functional Safety-Capable
- 8-Pin DGN package with thermal pad