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LTM4616IVPBF

更新时间： 2024-09-15 12:46:35
品牌 Logo 应用领域
LINEAR_DIMENSIONS 稳压器
页数 文件大小 规格书
30页 872K
描述
Dual 8A per Channel Low VIN DC/DC μModule Regulator

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LTM4616IVPBF 数据手册

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LTM4616  
Dual 8A per Channel Low  
V DC/DC µModule Regulator  
IN  
FEATURES  
DESCRIPTION  
The LTM®4616 is a complete dual 2-phase 8A per channel  
switch mode DC/DC power regulator system in a 15mm  
n
Complete Dual DC/DC Regulator System  
n
Input Voltage Range: 2.7V to 5.5V  
Dual 8A Outputs, or Single 16A Output with a 0.6V  
to 5V Range  
n
× 15mm surface mount LGA or BGA package. Included  
in the package are the switching controller, power FETs,  
inductor and all support components. Operating from an  
inputvoltagerangeof2.7Vto5.5V,theLTM4616supports  
two outputs within a voltage range of 0.6V to 5V, each set  
by a single external resistor. This high efficiency design  
delivers up to 8A continuous current (10A peak) for each  
output. Only bulk input and output capacitors are needed,  
depending on ripple requirement. The part can also be  
configured for a 2-phase single output at up to 16A.  
n
n
n
n
n
n
n
n
n
n
n
Output Voltage Tracking and Margining  
1.75ꢀ Total DC Output Error (–55°C to 125°C)  
Current Mode Control/Fast Transient Response  
Power Good Tracking and Margining  
Overcurrent/Thermal Shutdown Protection  
Onboard Frequency Synchronization  
Spread Spectrum Frequency Modulation  
Multiphase Operation  
Selectable Burst Mode® Operation  
Thelowprofilepackageenablesutilizationofunusedspace  
on the back side of PC boards for high density point-of-  
load regulation.  
Output Overvoltage Protection  
RoHS Compliant with Pb-Free Finish,  
Gold Finish LGA (e4) or SAC 305 BGA (e1)  
Small Surface Mount Footprint, Low Profile  
(15mm × 15mm × 2.82mm) LGA and  
(15mm × 15mm × 3.42mm) BGA Packages  
n
Fault protection features include overvoltage protection,  
overcurrent protection and thermal shutdown. The power  
module is offered in space saving and thermally enhanced  
15mm × 15mm × 2.82mm LGA and 15mm × 15mm ×  
3.42mm BGA packages. The LTM4616 is RoHS compliant  
with Pb-free finish.  
APPLICATIONS  
n
Telecom, Networking and Industrial Equipment  
Different Combinations of Input and Output  
n
Storage and ATCA, PCI Express Cards  
Number of Inputs  
Number of Outputs  
I
(MAX)  
n
OUT  
Battery Operated Equipment  
2
2
1
1
2
1
2
1
8A, 8A  
L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode, µModule and PolyPhase  
are registered trademarks and LTpowerCAD is a trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners. Protected by U.S. Patents,  
including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 6724174.  
16A  
8A, 8A  
16A  
TYPICAL APPLICATION  
Efficiency vs Load Current  
Dual Output DC/DC µModule® Regulator  
95  
90  
85  
80  
75  
5V 3.3V  
IN  
OUT  
V
5V  
IN1  
V
OUT1  
3.3V/8A  
V
V
IN1  
OUT1  
FB1  
5V 2.5V  
IN  
OUT  
100µF  
10µF  
LTM4616  
2.21k  
3.09k  
I
THM1  
V
3.3V TO 5V  
10µF  
IN2  
V
OUT2  
2.5V/8A  
V
V
IN2  
OUT2  
FB2  
100µF  
I
THM2  
GND1  
GND2  
70  
0
4616 TA01a  
2
4
6
8
LOAD CURRENT (A)  
4616 TA01b  
4616fe  
1
For more information www.linear.com/LTM4616  
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