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LTM8053 PDF预览

LTM8053

更新时间: 2024-09-21 01:00:39
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
26页 1488K
描述
60VIN, 3A Silent Switcher μModule Regulator

LTM8053 数据手册

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LTM8073  
60V , 3A Silent Switcher  
IN  
µModule Regulator  
FeaTures  
DescripTion  
The LTM®8073 is a 60V , 3A (continuous) or 5A (peak)  
n
Complete Step-Down Switch Mode Power Supply  
IN  
Low Noise Silent Switcher® Architecture  
step-down Silent Switcher µModule® (power module)  
regulator. Included in the package are the switching con-  
troller, power switches, inductor, and all support compo-  
nents. Operating over an input voltage range of 3.4V to  
60V, the LTM8073 supports an output voltage range of  
0.8V to 15V and a switching frequency range of 200kHz  
to 3MHz, each set by a single resistor. Only the input and  
output filter capacitors are needed to finish the design.  
n
n
Wide Input Voltage Range: 3.4V to 60V  
n
Wide Output Voltage Range: 0.8V to 15V  
n
3A Continuous Output Current, 24V , 5V  
,
IN  
OUT  
T = 85°C  
A
n
n
n
n
n
Up to 5A Peak Current  
Parallelable for Increased Output Current  
Selectable Switching Frequency: 200kHz to 3MHz  
Programmable Soft-Start  
The low profile package enables utilization of unused  
space on the bottom of PC boards for high density point  
of load regulation. The LTM8073 is packaged in a thermally  
enhanced, compact over-molded ball grid array (BGA)  
package suitable for automated assembly by standard sur-  
face mount equipment. The LTM8073 is RoHS compliant.  
6.25mm × 9mm × 3.32mm BGA Package  
applicaTions  
n
Power for Portable Products  
n
Distributed Supply Regulation  
n
Industrial Supplies  
Wall Transformer Regulation  
L, LT, LTC, LTM, µModule, Burst Mode, Silent Switcher, Linear Technology and the Linear logo  
are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their  
respective owners.  
n
Typical applicaTion  
5VOUT from 7VIN to 60VIN Step-Down Converter  
Efficiency, VOUT = 5V, BIAS = 5V  
95  
LTM8073  
V
= 24V  
V
IN  
V
IN  
IN  
7V TO 60V  
BIAS  
AUX  
RUN  
1µF  
V
5V  
3A  
OUT  
V
OUT  
90  
85  
80  
RT  
100µF  
32.4k  
1.2MHz  
47.5k  
FB  
GND SYNC  
8073 TA01a  
PINS NOT USED IN THIS CIRCUIT: TR/SS, PG, SHARE  
0
1
2
3
LOAD CURRENT (A)  
8073 TA01  
8073fa  
1
For more information www.linear.com/LTM8073  

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