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reference designNCP3232N

Onsemi NCP3232N

High Current Synchronous Buck Converter

Overview

TopologyOther Topology
Switching frequency450-550 kHz
IC revision5

Description

The NCP3232N is a high current, high efficiency voltage−modesynchronous buck converter which operates from 4.5 V to 21 V inputand generates output voltages down to 0.6 V at up to 15 A.

Features

  • Wide Input Voltage Range from 4.5 V to 21 V
  • 0.6 V Internal Reference Voltage
  • 500 kHz Switching Frequency
  • External Programmable Soft−Start
  • Lossless Low−side FET Current Sensing
  • 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
  • These Devices are Pb−Free and are RoHS Compliant*

Typical applications

  • Telecom and Network Equipment
  • Cellular Base Stations
  • ASIC, FPGA, DSP and CPU Core and I/O Supplies
  • Server and Storage System

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
Pins
Application
PCB/Cable/Panel
Modularity
Type
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
Material
LR(µH)
fres(MHz)
SamplesAvailability & Sample
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7443320033
SPECWE-HCC SMT High Current Cube Inductor, 2, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCC SMT High Current Cube Inductor
Pins2 
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Inductance0.33 µH
Performance Rated Current48.2 A
Saturation Current @ 10%56.7 A
Saturation Current @ 30%62.1 A
DC Resistance1.5 mΩ
MaterialFerrite 
Rated Inductance0.33 µH
Self Resonant Frequency214 MHz
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691313510004
SPECWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header, 4, PCB Header
Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header
Pins4 
ApplicationPCB Header 
PCB/Cable/PanelPCB 
ModularityNo 
TypeClosed Horizontal Plug entry 
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–Check availability
691313510006
SPECWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header, 6, PCB Header
Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header
Pins6 
ApplicationPCB Header 
PCB/Cable/PanelPCB 
ModularityNo 
TypeClosed Horizontal Plug entry 
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–Check availability