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LTM4633

更新时间： 2024-09-13 14:57:19
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
32页 514K
描述
三输出 10A 降压型 DC/DC μModule 稳压器

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中文翻译

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LTM4633 数据手册

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LTM4633  
Triple 10A Step-Down  
DC/DC µModule Regulator  
FeaTures  
DescripTion  
The LTM®4633 µModule® (micromodule) regulator com-  
bines three complete 10A switching mode DC/DC con-  
verters into one small package. Included in the package  
are the switching controllers, power FETs, inductors, and  
most support components. The LTM4633’s three regula-  
tors operate from 4.7V to 16V input rail(s) or 2.375V to  
n
Three Independent 10A DC Output Current Regulator  
Channels  
n
Input Voltage Range: 4.7V to 16V  
n
2.375V to 16V with External 5V Bias  
n
V
V
Voltage Range: 0.8V to 1.8V  
OUT1,2  
n
n
n
n
n
n
Voltage Range: 0.8V to 5.5V  
OUT3  
1.5ꢀ ꢁaxiꢂuꢂ Total DC Output Error  
Current ꢁode Control/Fast Transient Response  
Frequency Synchronization  
16V with an external 5V bias. The V  
range is 0.8V to 1.8V, while the V  
to 5.5V. Each output is set by one external resistor.  
and V  
output  
OUT1  
OUT2  
output range is 0.8V  
OUT3  
Output Overvoltage and Overcurrent Protection  
ꢁultiphase Operation with Current Sharing  
Highswitchingfrequencyandacurrentmodearchitecture  
enable a very fast transient response to line and load  
changes without sacrificing stability. The device supports  
frequency synchronization, multiphase parallel operation  
on V  
and V  
OUT1  
OUT2  
n
n
n
n
General Purpose Teꢂperature ꢁonitors  
Soft-Start/Voltage Tracking  
Power Good Monitors  
of V  
and V  
, soft-start and output voltage tracking  
OUT1  
OUT2  
for supply rail sequencing.  
15mm × 15mm × 5.01mm BGA Package  
Fault protection features include overvoltage protection,  
overcurrent protection and temperature monitoring. The  
power module is offered in a space saving, thermally  
enhanced 15mm × 15mm × 5.01mm BGA package. The  
LTM4633 is RoHS compliant with Pb-free finish.  
L, LT, LTC, LTM, µModule, PolyPhase, Burst Mode, Linear Technology and the Linear logo are  
registered trademarks and PowerPath and LTpowerCAD are trademarks of Linear Technology  
Corporation. All other trademarks are the property of their respective owners. Protected by  
U.S. Patents, including 5481178, 5705919, 5929620, 6100678, 6144194, 6177787, 6304066,  
6580258 and 8163643. Other patents pending.  
applicaTions  
n
Telecom, Networking and Industrial Equipment  
n
High Density Point of Load Regulation  
Typical applicaTion  
12V Input to 1.0V, 1.5V and 3.3V Output Regulator  
Efficiency vs Load Current  
95  
12V  
IN  
4.7µF  
6.3V  
90  
10k  
10k  
V
V
V
EXTV  
INTV  
FREQ/PLLLPF  
CC  
IN1  
IN2  
IN3  
CC  
CNTL_PWR  
RUN1  
PGOOD12  
PGOOD3  
1.0V  
13.3k  
V
OUT1  
85  
10A  
RUN2  
242k  
V
RUN3  
FB1  
LTM4633  
1.5V  
10A  
80  
75  
70  
TK/SS1  
TK/SS2  
TK/SS3  
V
V
OUT2  
69.8k  
19.1k  
V
FB2  
12V , 3.3V OUTPUT  
IN  
3.3V  
10A  
12V , 1.5V OUTPUT  
IN  
OUT3  
12V , 1V OUTPUT  
IN  
V
FB3  
MODE/PLLIN GND SGND  
0
1
2
3
4
5
6
7
8
9
10  
4633 TA01a  
LOAD CURRENT (A)  
4633 TA01b  
4633f  
1
For more information www.linear.com/LTM4633  
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中文翻译

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