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LTM4601HVIV-PBF

更新时间： 2024-11-29 05:44:07
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
28页 384K
描述
12A 28VIN DC/DC μModule with PLL, Output Tracking and Margining

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中文翻译

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LTM4601HVIV-PBF 数据手册

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LTM4601HV  
12A 28V DC/DC µModule  
IN  
with PLL, Output Tracking  
and Margining  
U
DESCRIPTIO  
FEATURES  
The LTM®4601HV is a complete 12A step-down switch  
mode DC/DC power supply with onboard switching con-  
troller, MOSFETs, inductor and all support components.  
The µModule is housed in a small surface mount 15mm  
×15mm × 2.8mm LGA package. Operating over an input  
voltage range of 4.5 to 28V, the LTM4601HV supports an  
outputvoltagerangeof0.6Vto5Vaswellasoutputvoltage  
trackingandmargining.Thehighefficiencydesigndelivers  
12A continuous current (14A peak). Only bulk input and  
output capacitors are needed to complete the design.  
■
Complete Switch Mode Power Supply  
■
Wide Input Voltage Range: 4.5V to 28V  
■
12A DC Typical, 14A Peak Output Current  
■
0.6V to 5V Output Voltage  
■
Output Voltage Tracking and Margining  
Parallel Multiple µModulesTM for Current Sharing  
■
■
Differential Remote Sensing for Precision  
Regulation  
■
PLL Frequency Synchronization  
■
1.5% Regulation  
■
Current Foldback Protection (Disabled at Start-Up)  
The low profile (2.8mm) and light weight (1.7g) package  
easily mounts in unused space on the back side of PC  
boards for high density point of load regulation. The  
µModule can be synchronized with an external clock for  
reducing undesirable frequency harmonics and allows  
PolyPhase® operation for high load currents.  
■
Pb-Free (e4) RoHS Compliant Package with Gold  
Finish Pads  
■
Ultrafast Transient Response  
■
Current Mode Control  
■
Up to 95% Efficiency at 5V , 3.3V  
IN  
OUT  
■
■
■
Programmable Soft-Start  
A high switching frequency and adaptive on-time current  
mode architecture deliver a very fast transient response  
to line and load changes without sacrificing stability. An  
onboard differential remote sense amplifier can be used  
to accurately regulate an output voltage independent of  
load current.  
, LT, LTC, LTM and PolyPhase 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.  
Protected by U.S. Patents, including 5481178, 5847554, 6580258, 6304066, 6476589,  
6774611, 6677210  
Output Overvoltage Protection  
Small Footprint, Low Profile (15mm × 15mm ×  
2.8mm) SurfaceUMount LGA Package  
APPLICATIO S  
■
Telecom and Networking Equipment  
■
Servers  
■
Industrial Equipment  
Point of Load Regulation  
■
U
TYPICAL APPLICATIO  
Efficiency and Power Loss  
vs Load Current  
2.5V/12A Power Supply with 4.5V to 28V Input  
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
45  
6
5
4
3
2
1
0
12V  
IN  
CLOCK SYNC  
V
IN  
4.5V TO 28V  
TRACK/SS CONTROL  
V
PLLIN TRACK/SS  
V
24V  
IN  
V
2.5V  
12A  
IN  
OUT  
PGOOD  
OUT  
EFFICIENCY  
100pF  
V
FB  
ON/OFF  
RUN  
MARG0  
MARG1  
V
OUT_LCL  
MARGIN  
CONTROL  
24V  
IN  
COMP  
INTV  
CC  
C
LTM4601HV  
OUT  
C
IN  
12V  
IN  
DRV  
CC  
DIFFV  
OUT  
+
POWER LOSS  
MPGM  
SGND PGND  
V
V
OSNS  
–
OSNS  
R1  
392k  
f
SET  
R
SET  
19.1k  
0
4
6
8
10  
12  
14  
2
5% MARGIN  
4601HV TA01a  
LOAD CURRENT (A)  
4601HV TA01b  
4601hvf  
1
1234567...28

中文翻译

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