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EUP2539 参数 Datasheet PDF下载

EUP2539图片预览
型号: EUP2539
PDF下载: 下载PDF文件 查看货源
内容描述: 10个白光LED升压转换器薄TSOT- 23封装 [10 White LED Boost Converter In Thin TSOT-23 Package]
分类和应用: 转换器升压转换器
文件页数/大小: 11 页 / 232 K
品牌: EUTECH [ EUTECH MICROELECTRONICS INC ]
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EUP2539  
Pin Configurations  
Package Type  
Pin Configurations  
TSOT23-5  
Pin Description  
PIN  
SW  
TSOT23-5  
DESCRIPTION  
Switch Pin.This is the drain of the internal power switch. Connect inductor/diode here.  
Minimize trace area at this pin to reduce EMI.  
1
2
3
GND  
FB  
Common Ground. Connect the pin to the ground plane.  
Feedback Pin. Reference voltage is 0.3V. Connect cathode of lowest LED and resistor  
here. Calculate resistor value according to the formula: RFB=0.3/ILED  
Chip Enable Pin. Connect it to 1.4V or higher voltage to enable device, 0.3V or less  
voltage to disable device.  
EN  
IN  
4
5
Input Supply Voltage  
DS2539 Ver1.1 Apr. 2009  
2
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