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IR38063 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR38063
部品説明 Synchronous Buck Regulator
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR38063 Datasheet, IR38063 PDF,ピン配置, 機能
PRELIMINARY DATASHEET
Highly Integrated 25A Single-input
Voltage, Synchronous Buck Regulator
with PMBus Interface
IR38063
FEATURES
DESCRIPTION
Internal LDO allows single 21V operation
The IR38063 SupIRBuck™ is an easy-to-use, fully
Output Voltage Range: 0.5V to 0.875*PVin
0.5% accurate Reference Voltage
integrated and highly efficient DC/DC regulator with
I2C/PMBus interface. The onboard PWM controller and
MOSFETs make IR38063 a space-efficient solution,
Programmable Switching Frequency up to providing accurate power delivery for low output
1.5MHz using Rt/Sync pin or PMBus
voltage and high current applications.
Internal Soft-Start with Pre-Bias Start-up
IR38063 is a versatile regulator which offers
Enable input with Voltage Monitoring Capability programmability of switching frequency and current
Remote Sense Amplifier with True Differential limit while operating in wide input and output voltage
Voltage Sensing
range.
Fast mode I2C and 400 kHz PMBus interface for The switching frequency is programmable from 250
sequencing, margining and telemetry.
kHz to 1.5MHz for an optimum solution.
PMBus configurable fault thresholds for input
UVLO, output OVP, OCP and thermal shutdown. It also features important protection functions, such as
Thermally compensated pulse-by-pulse current
limit and Hiccup Mode Over Current Protection Pre-Bias startup, hiccup current limit and thermal
shutdown to give required system level security in the
Optional light load efficiency mode with reduced event of fault conditions
switching frequency
External synchronization with Smooth Clocking
Dedicated output voltage sensing protection
which remains active even when Enable is low. APPLICATIONS
Integrated MOSFET drivers and Bootstrap diode
Operating junction temp: -40oC<Tj<125oC
Small Size 5mmx7mm PQFN
Pb-Free (RoHS Compliant)
Server Applications
Netcomm applications
Embedded telecom Systems
Distributed Point Of Load Architectures
ORDERING INFORMATION
Base Part Number
IR38063
 
Package Type
QFN 5 mm x 7 mm
Standard Pack
Form
Quantity
Tape and Reel
4000
Orderable Part Number
IR38063MTRPBF
1 www.irf.com © 2014 International Rectifier
 
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April 28, 2014

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