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LTM4600HVIV

Description
10A, 28VIN High Effi ciency DC/DC μModule
CategoryPower/power management    The power supply circuit   
File Size349KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTM4600HVIV Overview

10A, 28VIN High Effi ciency DC/DC μModule

LTM4600HVIV Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeBGA
package instructionLGA, LGA104(UNSPEC)
Contacts104
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage28 V
Minimum input voltage4.5 V
Nominal input voltage12 V
JESD-30 codeS-PBGA-N104
JESD-609 codee0
length15 mm
Humidity sensitivity level3
Number of functions1
Number of terminals104
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current17 A
Package body materialPLASTIC/EPOXY
encapsulated codeLGA
Encapsulate equivalent codeLGA104(UNSPEC)
Package shapeSQUARE
Package formGRID ARRAY
Peak Reflow Temperature (Celsius)220
Certification statusNot Qualified
Maximum seat height2.92 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency800 kHz
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch1.27 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperature20
width15 mm
FEATURES
LTM4600HV
10A, 28V
IN
High Efficiency
DC/DC µModule
DESCRIPTIO
The LTM
®
4600HV is a complete 10A, DC/DC step down
power supply with up to 28V input operation. Included
in the package are the switching controller, power FETs,
inductor, and all support components. Operating over
an input voltage range of 4.5V to 28V, the LTM4600HV
supports an output voltage range of 0.6V to 5V, set by a
single resistor. This high efficiency design delivers 10A
continuous current (12A peak), needing no heat sinks or
airflow to meet power specifications. Only bulk input and
output capacitors are needed to finish the design.
The low profile package (2.8mm) enables utilization of
unused space on the bottom of PC boards for high density
point of load regulation. High switching frequency and an
adaptive on-time current mode architecture enables a very
fast transient response to line and load changes without
sacrificing stability. Fault protection features include
integrated overvoltage and short circuit protection with
a defeatable shutdown timer. A built-in soft-start timer is
adjustable with a small capacitor.
The LTM4600HV is packaged in a thermally enhanced,
compact (15mm
×
15mm) and low profile (2.8mm) over-
molded Land Grid Array (LGA) package suitable for auto-
mated assembly by standard surface mount equipment.
The LTM4600HV is Pb-free and RoHS compliant.
, LTC, LT and LTM are registered trademarks of Linear Technology Corporation.
μModule
is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Complete Switch Mode Power Supply
Wide Input Voltage Range: 4.5V to 28V
10A DC, 12A Peak Output Current
Parallel Two μModule™ DC/DC Converters for 20A
Output Current
0.6V to 5V Output Voltage
1.5% Output Voltage Regulation
Ultrafast Transient Response
Current Mode Control
–55°C to 125°C Operating Temperature Range
(LTM4600HVMPV)
Pb-Free (e4) RoHS Compliant Package Gold-Pad
Finish
Up to 92% Efficiency
Programmable Soft-Start
Output Overvoltage Protection
Optional Short-Circuit Shutdown Timer
Small Footprint, Low Profile (15mm × 15mm ×
2.8mm) LGA Package
APPLICATIO S
Telecom and Networking Equipment
Military and Avionics Systems
Industrial Equipment
Point of Load Regulation
Servers
TYPICAL APPLICATIO
Efficiency vs Load Current with 24V
IN
(FCB = 0)
100
10A μModule Power Supply with 4.5V to 28V Input
V
IN
C
IN
V
OUT
C
OUT
EFFICIENCY (%)
V
IN
4.5V TO 28V
ABSMAX
V
OUT
2.5V*
10A
90
80
70
60
50
40
30
0
2
4
6
LOAD CURRENT (A)
1.8V
OUT
2.5V
OUT
3.3V
OUT
5V
OUT
8
10
4600HV TA01b
LTM4600HV
V
OSET
PGND SGND
31.6k
4600hv TA01a
*REVIEW DE-RATING CURVE AT
THE HIGHER INPUT VOLTAGE
U
U
U
4600hvfc
1

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