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DATA SHEET
LM25180 42-VIN PSR Flyback DC/DC Converter with 65-V, 1.5-A Integrated Power MOSFET
1 Features
- 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
- 6-ms internal or programmable soft start
- 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, 0.4-Ω power MOSFET
- No opto-coupler or transformer auxiliary winding required for VOUT regulation
- Internal loop compensation
- High-efficiency PSR flyback operation
- Quasi-resonant MOSFET turn-off in BCM
- Low input quiescent current
- 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 regulator design using WEBENCH® Power Designer