Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
DATA SHEET
LM25183 42-VIN PSR Flyback DC/DC Converter with 65-V, 2.5-A Power MOSFET
1 Features
- Functional Safety-Capable
- Designed for reliable and rugged
applications
- Wide input voltage range
of 4.5 V to 42 V with operation down to 3.5 V after start-up
- Robust solution with only
one component crossing the isolation barrier
- ±1.5% total output
regulation accuracy
- Optional VOUT
temperature compensation
- Input UVLO and thermal shutdown protection
- Hiccup-mode overcurrent fault protection
- –40°C to +150°C junction
temperature range
- Integration reduces solution size
and cost
- Integrated 65-V, 0.11-Ω
power MOSFET
- No optocoupler or
transformer auxiliary winding required for VOUT
regulation
- Internal loop
compensation
- High-efficiency PSR flyback
operation
- Quasi-resonant MOSFET
turnoff in BCM
- External bias option for
improved efficiency
- Single- and multi-output
implementations
- Ultra-low conducted and radiated
EMI signatures
- Soft switching avoids
diode reverse recovery
- Optimized for CISPR 32 EMI requirements
- Create a custom flyback regulator
design using WEBENCH® Power
Designer
