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LTM8047

更新时间： 2024-09-23 11:57:43
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
20页 347K
描述
3.1VIN to 32VIN Isolated μModule DC/DC Converter

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中文翻译

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LTM8047 数据手册

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LTM8048  
3.1V to 32V Isolated  
IN  
IN  
µModule DC/DC Converter  
with LDO Post Regulator  
FEATURES  
DESCRIPTION  
The LTM®8048 is an isolated flyback μModule DC/DC  
converter with LDO post regulator. The LTM8048 has an  
isolation rating of 725VDC. Included in the package are  
theswitchingcontroller, powerswitches, transformer, and  
all support components. Operating over an input voltage  
range of 3.1V to 32V, the LTM8048 supports an output  
voltage range of 2.5V to 13V, set by a single resistor. There  
is also a linear post regulator whose output voltage is ad-  
justable from 1.2V to 12V as set by a single resistor. Only  
output, input, and bypass capacitors are needed to finish  
the design. Other components may be used to control the  
soft-start control and biasing.  
n
Complete Switch Mode Power Supply  
n
725VDC Isolation  
n
Wide Input Voltage Range: 3.1V to 32V  
n
V
Output:  
OUT1  
Up to 440mA (V  
= 2.5V, 24V )  
IN  
OUT1  
2.5V to 13V Output Range  
OUT2  
n
V
Low Noise Linear Post Regulator:  
Up to 300mA  
1.2V to 12V Output Range  
n
n
n
n
n
Current Mode Control  
Programmable Soft-Start  
User Configurable Undervoltage Lockout  
(e1) RoHS Compliant Package  
Low Profile (11.25mm × 9mm × 4.92mm) Surface  
Mount BGA Package  
The LTM8048 is packaged in a thermally enhanced, com-  
pact (11.25mm × 9mm × 4.92mm) over-molded ball grid  
array (BGA) package suitable for automated assembly  
by standard surface mount equipment. The LTM8048 is  
RoHS compliant.  
APPLICATIONS  
L, LT, LTC, LTM, Linear Technology, the Linear logo and μModule are registered trademarks of  
Linear Technology Corporation. All other trademarks are the property of their respective owners.  
n
Industrial Sensors  
n
Industrial Switches  
n
Ground Loop Mitigation  
TYPICAL APPLICATION  
Total Output Current vs VIN  
725V DC Isolated Low Noise μModule Regulator  
330  
LTM8048  
5.7V  
V
IN  
V
V
V
280  
IN  
OUT1  
3.1V TO 30V  
V
2.2μF  
OUT2  
RUN  
BIAS  
OUT2  
BYP  
5V  
230  
180  
130  
80  
4.7μF  
6.19k  
22μF  
10μF  
ADJ1  
SS  
ADJ2  
–
162k  
GND  
V
OUT  
8048 TA01  
725VDC ISOLATION  
0
5
10  
15  
20  
25  
30  
INPUT VOLTAGE (V)  
8048 TA01b  
8048fa  
1
1234567...20

中文翻译

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