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LTM4620MPY

Description
非隔离 PoL 模块 直流转换器 2 输出 0.6 ~ 2.5V 0.6 ~ 2.5V - - 13A,13A 4.5V - 16V 输入
CategoryPower/power management    DC/DC converters   
File Size695KB,40 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTM4620MPY Overview

非隔离 PoL 模块 直流转换器 2 输出 0.6 ~ 2.5V 0.6 ~ 2.5V - - 13A,13A 4.5V - 16V 输入

LTM4620MPY Parametric

Parameter NameAttribute value
category
MakerADI
seriesµModule®
Packagetray
typeNon-isolated PoL module
Voltage - Input (minimum)4.5V
Voltage - input (maximum)16V
Voltage - Output 10.6 ~ 2.5V
Voltage - Output 20.6 ~ 2.5V
Voltage - Output 3-
Voltage - Output 4-
Current - Output (maximum)13A,13A
applicationITE (Business)
characteristicOCP,OVP
Operating temperature-55°C ~ 125°C
efficiency-
Installation typesurface mount type
Package/casing144-BBGA module
size/dimensions0.59" long x 0.59" wide x 0.20" high (15.0mm x 15.0mm x 5.0mm)
Supplier device packaging144-BGA(15x15)
Number of outputs2
Basic product numberLTM4620
LTM4620
Dual 13A or Single 26A
DC/DC µModule Regulator
FEATURES
n
n
n
n
n
n
DESCRIPTION
n
n
n
n
n
n
n
n
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Complete Standalone Dual Output Power Supply
Dual 13A or Single 26A Output
Wide Input Voltage Range: 4.5V to 16V
Output Voltage Range: 0.6V to 2.5V
±1.5% Maximum Total DC Output Error
Multiphase Current Sharing with Multiple
LTM4620s Up to 100A
Differential Remote Sense Amplifier
Current Mode Control/Fast Transient Response
Adjustable Switching Frequency
Overcurrent Foldback Protection
Frequency Synchronization
Internal Temperature Monitor
Output Overvoltage Protection
SnPb or RoHS Compliant Finish
Thermally Enhanced (15mm
×
15mm
×
4.41mm) LGA
Package and (15mm
×
15mm
×
5.01mm) BGA Package
APPLICATIONS
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Telecom and Networking Equipment
Storage and ATCA Cards
Industrial Equipment
The
LTM
®
4620
is a complete dual 13A output switching
mode DC/DC power supply. Included in the package are
the switching controller, power FETs, inductors, and all
supporting components. Operating from an input voltage
range of 4.5V to 16V, the LTM4620 supports two outputs
each with an output voltage range of 0.6V to 2.5V, set by a
single external resistor. Its high efficiency design delivers
up to 13A continuous current for each output. Only a few
input and output capacitors are needed.
The device supports frequency synchronization, multi-
phase operation, Burst Mode operation and output voltage
tracking for supply rail sequencing and has an onboard
temperature diode for device temperature monitoring.
High switching frequency and a current mode architec-
ture enable a very fast transient response to line and load
changes without sacrificing stability.
Fault protection features include overvoltage and
overcurrent protection. The power module is
offered in a proprietary space saving and thermally
enhanced 15mm
×
15mm
×
4.41mm LGA pack-
age and 15mm
×
15mm
×
5.01mm BGA package,
with integrated top-side heat sink. The LTM4620 is avail-
able with SnPb (BGA) or RoHS compliant terminal finish.
L,
LT, LTC, LTM, Linear Technology, the Linear logo, µModule, Burst Mode, LTpowerCAD
and PolyPhase are registered trademarks of Analog Devices, Inc. All other trademarks are the
property of their respective owners.
Click to view associated TechClip Videos.
TYPICAL APPLICATION
26A, 1.2V Output DC/DC µModule
®
Regulator
INTV
CC
4.7µF
MODE_PLLIN CLKOUT INTV
CC
V
IN
120k
TEMP
RUN1
RUN2
TRACK1
5.1V*
0.1µF
TRACK2
f
SET
PHASMD
121k
* PULL-UP RESISTOR AND
ZENER ARE OPTIONAL
SGND
GND
DIFFP
DIFFN
LTM4620
5k
PGOOD
V
IN
4.5V TO 16V
10k*
EXTV
CC
PGOOD1
V
OUT1
V
OUTS1
DIFFOUT
SW1
V
FB1
V
FB2
COMP1
COMP2
V
OUTS2
V
OUT2
SW2
PGOOD2
V
OUT
1.2V AT 26A
60.4k
1.2V Efficiency vs I
OUT
90
100µF
6.3V
EFFICIENCY (%)
22µF
×
4
25V
+
470µF
6.3V
80
70
60
50
+
100µF
6.3V
PGOOD
470µF
6.3V
40
5V
IN
/500kHz
12V
IN
/500kHz
0 2 4 6 8 10 12 14 16 18 20 22 24 26
OUTPUT CURRENT (A)
4620 TA01b
4620 TA01a
4620fc
For more information
www.linear.com/LTM4620
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