NCP3232N: High Current Synchronous Buck Converter

The NCP3232N is a high current, high efficiency voltage-mode synchronous buck converter which operates from 4.5V to 21V input and generates output voltages down to 0.6V at up to 15A load.

Features
  • Wide Input Voltage Range from 4.5 V to 21 V
  • 0.6V Internal reference voltage
  • 500kHz switching frequency
  • External programmable soft-start
  • Lossless low-side FET current sensing
  • 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
  • Power good indicator
  • Internal over-temperature protection
Benefits
  • Supports wide range of applications
  • Supports small inductor and low number of output capacitors
  • Good thermal performance
Applications
  • ASIC, FPGA, DSP and CPU Core and I/O Supplies
  • 15A Point of Load Power Module for Telecom and Network Applications
End Products
  • Cellular Base Stations
  • Telecom and Network Equipment
  • Server and Storage System
  • Computing System
Package Drawings (1)
Document TitleDocument ID/SizeRevision
QFN40 6x6, 0.5P485CM (58.7kB)O
Simulation Models (1)
Document TitleDocument ID/SizeRevisionRevision Date
NCP3231FamilySimplisModelNCP3231FamilySimplisModel (39kB)0Aug, 2016
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
High Current Synchronous Buck ConverterNCP3232N/D (185kB)5Jun, 2015
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCP3232NMNTXGActivePb-free Halide freeQFN-40485CM3Tape and Reel2500$1.1
Specifications
ProductTopologyControl ModeVCC Min (V)VCC Max (V)VO Typ (V)IO Typ (A)Efficiency (%)fSW Typ (kHz)
NCP3232NMNTXGStep-DownVoltage Mode4.5211.51590500
High Current Synchronous Buck Converter (185kB) NCP3232N
NCP3231FamilySimplisModel NCP3235
QFN40 6x6, 0.5P NCP5339