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LTM4600HV PDF даташит

Спецификация LTM4600HV изготовлена ​​​​«Linear Technology» и имеет функцию, называемую «High Efficiency DC/DC uModule».

Детали детали

Номер произв LTM4600HV
Описание High Efficiency DC/DC uModule
Производители Linear Technology
логотип Linear Technology логотип 

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LTM4600HV Даташит, Описание, Даташиты
LTM4600HV
10A, 28VIN High Efficiency
DC/DC µModule
Features
n Complete Switch Mode Power Supply
n Wide Input Voltage Range: 4.5V to 28V
n 10A DC, 12A Peak Output Current
n Parallel Two µModule™ DC/DC Converters for 20A
Output Current
n 0.6V to 5V Output Voltage
n 1.5% Output Voltage Regulation
n Ultrafast Transient Response
n Current Mode Control
n –55°C to 125°C Operating Temperature Range
(LTM4600HVMPV)
n RoHS Compliant Package with Gold Pad Finish (e4)
n Up to 92% Efficiency
n Programmable Soft-Start
n Output Overvoltage Protection
n Optional Short-Circuit Shutdown Timer
n Small Footprint, Low Profile (15mm × 15mm ×
2.82mm) LGA Package
Applications
n Telecom and Networking Equipment
n Military and Avionics Systems
n Industrial Equipment
n Point of Load Regulation
n Servers
Description
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 (2.82mm) 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 compact (15mm ×
15mm) and low profile (2.82mm) over-molded Land Grid
Array (LGA) package suitable for automated assembly by
standard surface mount equipment. The LTM4600HV is
RoHS compliant.
L, LT, LTC, LTM, µModule and OPTI-LOOP are registered trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
Typical Application
10A µModule Power Supply with 4.5V to 28V Input
Efficiency vs Load Current with 24VIN (FCB = 0)
100
90
VIN
4.5V TO 28V
ABSMAX
VIN VOUT
CIN LTM4600HV COUT
VOUT
2.5V*
10A
VOSET
PGND SGND
31.6k
4600hv TA01a
*REVIEW DE-RATING CURVE AT
THE HIGHER INPUT VOLTAGE
80
70
60
50
40
30
0
1.8VOUT
2.5VOUT
3.3VOUT
5VOUT
2468
LOAD CURRENT (A)
10
4600HV TA01b
For more information www.linear.com/LTM4600HV
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LTM4600HV Даташит, Описание, Даташиты
LTM4600HV
Absolute Maximum Ratings
(Note 1)
FCB, EXTVCC, PGOOD, RUN/SS, VOUT.......... –0.3V to 6V
VIN, SVIN, fADJ............................................. –0.3V to 28V
VOSET, COMP............................................. –0.3V to 2.7V
Operating Temperature Range (Note 2)
E and I Grades......................................–40°C to 85°C
MP Grade............................................ –55°C to 125°C
Junction Temperature............................................ 125°C
Storage Temperature Range................... –55°C to 125°C
Peak Solder Reflow Body Temperature.................. 245°C
Pin Configuration
TOP VIEW
VIN
PGND
VOUT
COMP
SGND
RUN/SS
FCB
PGOOD
LGA PACKAGE
104-LEAD (15mm × 15mm × 2.82mm)
TJMAX = 125°C, θJA = 15°C/W, θJC = 6°C/W,
θJA DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS, WEIGHT = 1.7g
Order Information
PART NUMBER
PAD OR BALL FINISH
PART MARKING
DEVICE
FINISH CODE
PACKAGE
TYPE
MSL
RATING
TEMPERATURE RANGE
(SEE NOTE 2)
LTM4600HVEV#PBF
LTM4600HVEV
–40°C to 85°C
LTM4600HVIV#PBF
Au (RoHS)
LTM4600HVIV
e4
LGA
3 –40°C to 85°C
LTM4600HVMPV#PBF
LTM4600HVMPV
–55°C to 125°C
Consult Marketing for parts specified with wider operating temperature
ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609.
Terminal Finish Part Marking: www.linear.com/leadfree
Recommended LGA and BGA PCB Assembly and Manufacturing
Procedures: www.linear.com/umodule/pcbassembly
LGA and BGA Package and Tray Drawings: www.linear.com/packaging
2
For more information www.linear.com/LTM4600HV
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LTM4600HV Даташит, Описание, Даташиты
LTM4600HV
E lectrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications
application (front page) configuration.
are
at
TA
=
25°C,
VIN
=
12V.
External
CIN
=
120µF,
COUT
=
200µF/Ceramic
per
typical
SYMBOL
VIN(DC)
VOUT(DC)
PARAMETER
Input DC Voltage
Output Voltage
CONDITIONS
Abs Max 28V for Tolerance on 24V Inputs
FCB = 0V
VIN = 5V or 12V, VOUT = 1.5V, IOUT = 0A
Input Specifications
VIN(UVLO) Under Voltage Lockout Threshold
IINRUSH(VIN) Input Inrush Current at Startup
IQ(VIN)
Input Supply Bias Current
Min On Time
IOUT = 0A
IOUT = 0A, VOUT = 1.5V, FCB = 0
VIN = 5V
VIN = 12V
VIN = 24V
IOUT = 0A, EXTVCC Open
VVVIIINNN
=
=
=
12V,
12V,
24V,
VVVOOOUUUTTT
=
=
=
1.5V,
1.5V,
2.5V,
FCB
FCB
FCB
=
=
=
5V
0V
5V
VIN = 24V, VOUT = 2.5V, FCB = 0V
Shutdown, RUN = 0.8V, VIN = 12V
Min Off Time
IS(VIN)
Input Supply Current
Output Specifications
VVIINN
=
=
12V,
12V,
VVOOUUTT
=
=
1.5V,
3.3V,
IIOOUUTT
=
=
10A
10A
VIN = 5V, VOUT = 1.5V, IOUT = 10A
VIN = 24V to 3.3V at 10A, EXTVCC = 5V
IOUTDC
ΔVOUT(LINE)
VOUT
ΔVOUT(LOAD)
VOUT
Output Continuous Current Range
(See Output Current Derating Curves for
Different VIN, VOUT and TA)
Line Regulation Accuracy
Load Regulation Accuracy
VOUT(AC)
fs
tSTART
Output Ripple Voltage
Output Ripple Voltage Frequency
Turn-On Time
ΔVOUTLS
Voltage Drop for Dynamic Load Step
tSETTLE
IOUTPK
Settling Time for Dynamic Load Step VIN = 12V
Output Current Limit
Control Stage
VVIINN
=
=
12V,
24V,
VVOOUUTT
=
=
1.5V
2.5V
(Note
3)
VVOINU=T
= 1.5V.
4.5V to
FCB
28V
=
0V,
IOUT
=
0A,
VOUT = 1.5V. FCB = 0V, IOUT = 0A to 10A
VVIINN
=
=
5V
12V
(Notes
4,
5)
VIN = 12V, VOUT = 1.5V, FCB = 0V, IOUT = 0A
FCB = 0V, IOUT = 5A, VIN = 12V, VOUT = 1.5V
VOUT = 1.5V, IOUT = 1A
VIN = 12V
VIN = 5V
VOUT = 1.5V, Load Step: 0A/µs to 5A/µs
COUT = 3 • 22µF 6.3V, 470µF 4V POSCAP,
See Table 2
Load: 10% to 90% to 10% of Full Load
Output Voltage in Foldback
VIN = 24V, VOUT = 2.5V
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
VOSET
Voltage at VOSET Pin
IOUT = 0A, VOUT = 1.5V
l
l
l
l
l
VRUN/SS
RUN ON/OFF Threshold
MIN
4.5
1.478
1.470
0
0
0.591
0.594
0.8
TYP MAX UNITS
28 V
1.50 1.522
1.50 1.530
V
V
3.4 4
0.6
0.7
0.8
1.2
42
1.8
36
35 75
100
400
1.52
3.13
3.64
1.6
V
A
A
A
mA
mA
mA
mA
µA
ns
ns
A
A
A
A
10
10
0.15 0.3
A
A
%
±1 %
±1.5 %
10 15 mVP-P
850 kHz
0.5 ms
0.7 ms
36 mV
25
17
17
17
0.6 0.609
0.6 0.606
1.5 2
µs
A
A
A
V
V
V
For more information www.linear.com/LTM4600HV
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Номер в каталогеОписаниеПроизводители
LTM4600HVHigh Efficiency DC/DC uModuleLinear Technology
Linear Technology

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