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IR3832WMPBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR3832WMPBF
部品説明 HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR3832WMPBF Datasheet, IR3832WMPBF PDF,ピン配置, 機能
PD-97508
IR3832WMPbFwww.DataSheet4U.com
SupIRBuckTM
HIGHLY EFFICIENT INTEGRATED
SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
Features
Description
Wide Input Voltage Range 1.5V to 16V
The IR3832W SupIRBuckTM is an easy-to-use,
Wide Output Voltage Range 0.6V to 0.9*Vin
fully integrated and highly efficient DC/DC
Continuous 4A Load Capability
regulator. The MOSFETS co-packaged with the
Integrated Bootstrap-diode
on-chip PWM controller make IR3832W a space-
High Bandwidth E/A for excellent transient
performance
Programmable Switching Frequency up to 1.5 MHz
efficient solution, providing accurate
delivery for DDR memory applications.
power
Programmable Over Current Protection
IR3832W is configured to generate termination
PGood output
voltage (VTT) for DDR memory applications.
Hiccup Current Limit
Programmable Soft-Start
Enable Input with Voltage Monitoring Capability
Enhanced Pre-Bias Start-up
Vp input for DDR Tracking applications
-40oC to 125oC operating junction temperature
IR3832W offers programmability of start up time,
switching frequency and current limit while
operating in wide input and output voltage range.
The switching frequency is programmable from
250kHz to 1.5MHz for an optimum solution.
Thermal Protection
It also features important protection functions,
5mm x 6mm Power QFN Package, 0.9 mm height such as Pre-Bias startup, hiccup current limit and
Halogen Free, Lead Free and RoHS Compliant
thermal shutdown to give required system level
security in the event of fault conditions.
Applications
Server Applications
Storage Applications
Embedded Telecom Systems
Distributed Point of Load Power Architectures
Netcom Applications
1.5V <Vin<16V
4.5V <Vcc<5.5V
VDDQ
PGood
Enable
Vcc
PGood
Vp
Rt
SS/ SD Gnd
Vin Boot
SW
OCSet
Fb
Comp
PGnd
Vo
Rev 3.0
Fig. 1. Typical application diagram
1

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IR3832WMPBF

HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR

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