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NCP3231: High Current Synchronous Buck Converter

Datasheet: Buck Converter - High Current, Synchronous
Rev. 6 (240kB)
Product Overview
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»View Material Composition
» Product Change Notification
The NCP3231 is a high current, high efficiency voltage-mode synchronous buck converter which operates from 4.5 V to 18 V input and generates output voltages down to 0.6 V at up to 25 A DC load or 30 A instantaneous load.
Features   Benefits
     
  • Wide input voltage range from 4.5V to 18V
 
  • Supports wide range of applications
  • 500KHz switching frequency
 
  • Requires small inductor and low number of output capacitors
  • Lossless low-side FET current sensing
 
  • Improve efficiency
  • 0.6V internal reference volttage
   
  • External programmable soft-start
   
  • Output Over-voltage Protection and Under-voltage Protection
   
  • System Over-temperature Protection using a Thermistor or Sensor
   
  • Hiccup Mode Operation for all Faults
   
  • Pre-bias Start-up
   
  • Adjustable Output Voltage
   
  • Power Good Output
   
  • Internal Over-temperature Protection
   
Applications   End Products
  • 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
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCP3231GEVB Active
Pb-free
NCP3231GEVB - High Current Synchronous Buck Converter
STR-NCP3231-EVK Active
Pb-free
Strata Enabled NCP3231,18V Input, 30A, Voltage-Mode Synchronous Buck Converter
Avnet (2020-08-19) : 2
Availability & Samples
Specifications
Application Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP3231MNTXG Active
Pb-free
Halide free
NCP3231, High Current Synchronous Buck Converter QFN-40 485CM 3 260 Tape and Reel 2500 $1.3333
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Package Type
NCP3231MNTXG  
 $1.3333 
Pb
H
 Active   
Step-Down
Voltage Mode
4.5
18
3.3
25
94
500
QFN-40
Case Outlines
485CM   
NCP3231: High Current Synchronous Buck Converter
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Featured Video
Synchronous Buck Converter EVK | Strata
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