Description
The LM25145 42-V synchronous buck controller is designed to regulate from a high input voltage source or from an input rail subject to high voltage transients, minimizing the need for external surge suppression components.
Features
- 1 Versatile Synchronous Buck DC-DC Controller.
- Wide Input Voltage Range of 6 V to 42 V.
- Adjustable Output Voltage From 0.8 V to 40 V.
- Meets EN55022 / CISPR 22 EMI Standards.
- Lossless RDS(on) or Shunt Current Sensing.
- Switching Frequency From 100 kHz to 1 MHz.
- SYNC In and SYNC Out Capability.
- 40-ns Minimum On-Time for High VIN / VOUT Ratio.
- 140-ns Minimum Off-Time for Low Dropout.
- 0.8-V Reference With ±1% Fe.
LM25145 Datasheet
