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Infineon Technologies Electronic Components Datasheet

IR38063 Datasheet

Synchronous Buck Regulator

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DCDC Converter
25A Single-input Voltage, Synchronous Digital SupIRBuck
Buck Regulator with PMBus Interface IR38063
FEATURES
DESCRIPTION
Internal LDO allows single 21V operation
The IR38063 PMBus SupIRBuck™ is an easy-to-use,
Output Voltage Range: 0.5V to 0.875*PVin
0.5% accurate Reference Voltage
fully integrated and highly efficient DC/DC regulator
with I2C/PMBus interface. The onboard PWM controller
and MOSFETs make IR38063 a space-efficient
Programmable Switching Frequency up to 1.5 solution, providing accurate power delivery for low
MHz using Rt/Sync pin or PMBus
output voltage and high current applications.
Internal Soft-Start with Pre-Bias Start-up
The IR38063 can be comprehensively configured via
Enable input with Voltage Monitoring Capability PMBus and the configuration stored in internal
Remote Sense Amplifier with True Differential
Voltage Sensing
memory. In addition, PMBus commands allow run-time
control, fault status and telemetry.
Fast mode I2C and 400 kHz PMBus interface
Sequencing and tracking capable
Selectable analog mode or digital mode
The IR38063 can also operate as a standard analog
regulator without any programming and can provide
current and temperature telemetry in an analog format.
66 PMBus commands for configuration, control,
fault protection and telemetry.
Thermally compensated current limit with
configurable overcurrent responses
APPLICATIONS
Optional light load efficiency mode
Server Applications
External synchronization with Smooth Clocking
Netcomm applications
Dedicated output voltage sensing protection
which remains active even when Enable is low.
Embedded telecom Systems
Integrated MOSFETs and Bootstrap diode
Distributed Point Of Load Architectures
Operating junction temp: -40oC<Tj<125oC
Small Size 5mmx7mm PQFN
Pb-Free (RoHS Compliant)
ORDERING INFORMATION
Base Package
Part Type
IR38063
QFN
5x7 mm
Standard Pack
Form Quantity
Tape
&
4000
Reel
250
Orderable Part
Number
IR38063MTRPBF
IR38063MBC01TRP
111-4190PBF
Application Description
Standard part, 0.5 Vout
Broadcom SAS34xx, SAS35xx, SAS36xx, SAS37xx
Standard part, 0.5Vout for Distributors
1 Rev 3.15
Mar 14, 2018


Infineon Technologies Electronic Components Datasheet

IR38063 Datasheet

Synchronous Buck Regulator

No Preview Available !

BASIC APPLICATION
5.5V <Vin<21V
PGood
P1V8 Track_EN
Vcc/
LDO_out
Vin PVin
Boot
SW
PGood
Rt/SYNC
En/FCCM
Vp
ADDR
Vsns
RS+
RS-
RSo
Fb
Comp
PGnd LGnd
Vo
Figure 1: Typical Application Circuit
PINOUT DIAGRAM
IR38063
Figure 2: Performance Curve
Note: Pins 23 and 26 are connected internally
but appear separated externally (refer to
assembly drawing)
Figure 3: IR38063 package (Top View) 5mm x 7mm PQFN
2 Rev 3.15
Mar 14, 2018


Part Number IR38063
Description Synchronous Buck Regulator
Maker Infineon
Total Page 30 Pages
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