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G5130-30-T13U PDF预览

G5130-30-T13U

更新时间: 2022-12-14 04:31:23
品牌 Logo 应用领域
致新 - GMT 转换器
页数 文件大小 规格书
10页 323K
描述
PSM Step-up DC/DC Converter

G5130-30-T13U 数据手册

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Global Mixed-mode Technology Inc.  
G5130/G5131  
PSM Step-up DC/DC Converter  
Features  
General Description  
The G5130/G5131 boost converter is designed for use  
„
1~4 Cell Alkaline Battery Operating Range  
„
Output Voltage Range: 2.5V~5.0V in 0.1V In-  
crements  
Minimum External Component (L, D, C)  
100KHz Max. Oscillation Frequency  
75% Duty Ratio  
of main power source on portable equipments.  
It consist of an oscillator, PSM control logic circuit, an  
embedded power MOS (LX switch), accurate voltage  
reference, error amplifier, feedback resistors, and LX  
protection circuit.  
„
„
„
„
„
„
„
Up to 80% Efficiency  
±2% High Output Voltage Accuracy  
< 100ppm/°C Temperature Coefficient  
SOT-89 and SOT-23-5 Small Packages  
Only 3 external components (includes 1 inductor, 1  
diode and 1 capacitor) are needed to construct the  
power application.  
For larger output power application, G5131 can be  
used to drive an external NPN device for more input  
current.  
Applications  
„
„
„
„
„
Power Source for Portable Equipments  
Handheld Computers, Palmtops  
Digital Still Cameras, Camcorders  
Cellular Phones, Pagers  
Portable Multimedia Players  
Pin Configuration  
Typical Application Circuit  
1N5819  
G5130  
27µH~120µH  
Battery  
VOUT  
2.5V~5.0V  
Step 0.1V  
LX  
VOUT  
GND  
VIN  
+
-
22µF~100µF  
3
1
2
SOT-89  
1N5819  
27µH~120µH  
Battery  
5
4
VIN  
G5131  
VOUT  
2.5V~5.0V  
Step 0.1V  
EXT  
VOUT  
GND  
+
-
22µF~100µF  
1
2
3
SOT-23-5  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 0.3 Preliminary  
Jun 15, 2005  
1

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