IR HiRel Product Families



Highly Efficient Integrated 4A Sync Buck Regulator for DDR applications



Wide Input Voltage Range 1.5V to 16V

Wide Output Voltage Range 0.6V to 0.9*Vin

Continuous 4A Load Capability

Integrated Bootstrap-diode

High Bandwidth E/A for excellent transient performance

Programmable Switching Frequency up to 1.5 MHz

Programmable Over Current Protection

PGood output

Hiccup Current Limit

Programmable Soft-Start

Enable Input with Voltage Monitoring Capability

Enhanced Pre-Bias Start-up

Vp input for DDR Tracking applications

-40°C to 125°C operating junction temperature

Thermal Protection

5mm x 6mm Power QFN Package, 0.9 mm height

Halogen Free, Lead Free and RoHS Compliant


Base Part StatusObsolete
CircuitSingle Output
Input Voltage (V)1.5 - 16
OCP OTP UVLO Pre-Bias Soft Start andPGOOD + EN + OVD + DDR Tracking
Output Range (V)0.7 - 0.9*Vin
PackagePQFN / 5 x 6 D
Qual LevelIndustrial
Switch Freq (kHz)250 - 1500
Vout (Max)14.0
Vout (Min)0.7
1k Budgetary Pricing1.562
Base Station TelecomYes
Routers SwitchesYes
Server StorageYes


POL DC-DC solutions include integrated regulators, discrete MOSFETs, power blocks, design tools and reference designs.

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Design Tools

Design Tools

SupIRBuck Design Tool

Schematic Capture, AC, Steady State, Transient Analysis, Thermal Analysis, BOM creation

Tool Introduction

PQFN / 5 x 6 D

Part # IR3832WMPBF

Highly Efficient Integrated 4A Sync Buck Regulator for DDR applications

$1.561K Budgetary Pricing (USD):
Packaging OptionsPart NumberStatusStandard Pack Quantity
An IR3832WM sample quantityIR3832WMPBFOBSOLETE5
An IRF3832WM shipped on Tape and ReelIR3832WMTR1PBFOBSOLETE750
An IR3832WM shipped on Tape and ReelIR3832WMTRPBFOBSOLETE4000

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