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MCR03EZPFX1002 데이터시트(PDF) 1 Page - International Rectifier

부품명 MCR03EZPFX1002
상세설명  HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
PDF  32 Pages
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제조업체  IRF [International Rectifier]
홈페이지  http://www.irf.com
Logo IRF - International Rectifier

MCR03EZPFX1002 데이터시트(HTML) 1 Page - International Rectifier

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Rev 16.0
1
PD-97660
IR3831WMPbF
Features
•
Wide Input Voltage Range 1.0V to 16V
•
Wide Output Voltage Range 0.6V to 0.9*Vin
•
Continuous 8A 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
•
-40oC to 125oC operating junction temperature
•
Thermal Protection
•
5mm x 6mm Power QFN Package, 0.9 mm height
•
Lead-free, halogen-free and RoHS compliant
Applications
•
Server Applications
•
Storage Applications
•
Embedded Telecom Systems
Fig. 1. Typical application diagram
HIGHLY EFFICIENT INTEGRATED
SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
SupIRBuckTM
Boot
Vcc
Fb
Comp
Gnd
PGnd
SW
OCSet
SS/ SD
4.5V <Vcc<5.5V
Vo
PGood
PGood
Enable
Rt
1.0V <Vin<16V
Vin
Vp
VDDQ
Description
The IR3831W SupIRBuckTM is an easy-to-use,
fully integrated and highly efficient DC/DC
regulator. The MOSFETS co-packaged with the
on-chip PWM controller make IR3831W a space-
efficient
solution,
providing
accurate
power
delivery for DDR memory applications.
IR3831W is configured to generate termination
voltage (VTT) for DDR memory applications.
IR3831W 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.
It also features important protection functions,
such as Pre-Bias startup, hiccup current limit and
thermal shutdown to give required system level
security in the event of fault conditions.
•
Distributed Point of Load Power Architectures
•
Netcom Applications


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