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LTM8054

更新时间: 2024-09-21 14:58:19
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
28页 608K
描述
36VIN、5.4A 降压-升压型 μModule 稳压器

LTM8054 数据手册

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LTM8054  
36V , 5.4A Buck-Boost  
IN  
µModule Regulator  
FEATURES  
DESCRIPTION  
The LTM®8054 is a 36V , buck-boost µModule®  
n
Complete Buck-Boost Switch Mode Power Supply  
IN  
n
Wide Input Voltage Range: 5V to 36V  
(micromodule) regulator. Included in the package are the  
switchingcontroller,powerswitches,inductorandsupport  
components. A resistor to set the switching frequency, a  
resistor divider to set the output voltage, and input and  
output capacitors are all that are needed to complete the  
design. Other features such as input and output average  
current regulation may be implemented with just a few  
components. The LTM8054 operates over an input volt-  
age range of 5V to 36V, and can regulate output voltages  
between 1.2V and 36V. The SYNC input and CLKOUT  
output allow easy synchronization.  
n
Wide Output Voltage Range: 1.2V to 36V  
n
V May Be Greater than, Equal to or Less than V  
IN  
OUT  
n
n
n
n
n
n
n
n
n
n
12V/1.8A Output from 6V  
IN  
IN  
IN  
12V/3.4A Output from 12V  
12V/5.4A Output from 24V  
Up to 94% Efficient  
Adjustable Input and Output Average Current Limits  
Input and Output Current Monitors  
Parallelable for Increased Output Current  
Selectable Switching Frequency: 100kHz to 800kHz  
Synchronization from 200kHz to 700kHz  
11.25mm × 15mm × 3.42mm BGA Package  
The LTM8054 is housed in a compact overmolded ball  
gridarray(BGA)packagesuitableforautomatedassembly  
by standard surface mount equipment. The LTM8054 is  
RoHS compliant.  
APPLICATIONS  
Buck Boost Selection Table  
n
High Power Battery-Operated Devices  
LTM8054  
LTM8055  
LTM8056  
n
Industrial Control  
V
V
V
I
(Operation)  
Abs Max  
36  
40  
40  
5.4  
36  
40  
40  
8.5  
58  
60  
60  
5.5  
n
IN  
Solar Powered Voltage Regulator  
Solar Powered Battery Charging  
n
IN  
Abs Max  
OUT  
L, LT, LTC, LTM, Linear Technology, the Linear logo, µModule and Burst Mode are registered  
trademarks of Linear Technology Corporation. All other trademarks are the property of their  
respective owners.  
(Peak)  
OUT  
24V , 12V  
IN  
OUT  
Package  
15 x 11.25mm x  
3.42mm BGA  
15 x 15mm x  
4.92mm BGA  
15 x 15mm x  
4.92mm BGA  
TYPICAL APPLICATION  
Maximum Output Current and Efficiency vs Input Voltage  
12VOUT from 5V to 35VIN Buck Boost Regulator  
92  
90  
88  
86  
6
4
2
0
V
V
LTM8054  
V
IN  
OUT  
V
IN  
6V TO 35V  
OUT  
12V  
I
IN  
SV  
I
OUT  
IN  
4.7µF  
50V  
×2  
RUN  
CTL  
SS  
100k  
68µF  
CLKOUT  
22µF  
25V  
SYNC  
I
INMON  
36.5k  
600kHz  
COMP  
RT  
I
OUTMON  
FB  
11.0k  
EFFICIENCY  
LL MODE  
GND  
MAX CURRENT  
8054 TA01a  
0
10  
20  
INPUT VOLTAGE (V)  
30  
40  
8054 TA01b  
8054fa  
1
For more information www.linear.com/LTM8054  

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