ON Semiconductor NCP3231A high current synchronous buck converter is designed as a high efficiency voltage-mode synchronous buck converter operating from 4.5V to 18V input and generating output voltages down to 0.6V at up to 25A.
The device offers lossless low-side FET current sensing, 500KHz switching frequency, external programmable soft-start, output over-voltage and under-voltage protection, system over-temperature protection using a thermistor or sensor through OTS pin, hiccup mode operation for all faults, pre-bias start-up, and an adjustable output voltage. The NCP3231A high current synchronous buck converter is ideal for cellular base stations, telecom & network equipment, and server & storage systems.
Features
- Wide input voltage range from 4.5V to 18V
- 500KHz switching frequency
- Lossless low-side FET current sensing
- 0.6V internal reference voltage
- External programmable soft-start
- Output over-voltage and under-voltage protection
- System over-temperature protection using a thermistor or sensor through OTS pin
- Hiccup mode operation for all faults
- Pre-bias start-up
- Adjustable output voltage
Applications
- 25A voltage regulators in a 6x6 QFN pacakge
- ASIC, FPGA, DSP and CPU Core and I/O Supplies
- Cellular Base Stations
- Telecom and Network Equipment
- Server and Storage System
Fonte - ON Semiconductor
28 de abril de 2015
