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VLD24-XXX PDF预览

VLD24-XXX

更新时间： 2024-11-14 05:55:31
品牌 Logo 应用领域
CUI 转换器DC-DC转换器
页数 文件大小 规格书
4页 578K
描述
constant current dc-dc converter

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中文翻译

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VLD24-XXX 数据手册

 浏览型号VLD24-XXX的Datasheet PDF文件第2页浏览型号VLD24-XXX的Datasheet PDF文件第3页浏览型号VLD24-XXX的Datasheet PDF文件第4页 
1 of 4  
page  
date  
1/2009  
PART NUMBER: VLD24-XXX  
DESCRIPTION: constant current dc-dc converter  
applications  
features  
The VLD24-XXX series is a step-down  
constant current source designed for  
driving high power LEDs. The available  
output currents are: 300mA, 350mA,  
500mA, 600mA, 700mA. Despite its  
compact size, the VLD24-XXX series is fully  
featured with very high efficiency, wide  
input voltage range, high ambient operating  
temperature, and two means of LED dim-  
ming: PWM digital dimming and analog  
dimming control, via a trim POT.  
• power LED driver  
• high efficiency up to 95%  
• wide input voltage range  
• constant current output  
• PWM digital dimming  
• short-circuit protection  
• analog dimming  
• output on/off control  
model  
input range  
output voltage  
(V dc)  
2~32  
output current  
dimming control  
efficiency  
(V dc)  
5.5~36  
5.5~36  
5.5~36  
5.5~36  
5.5~36  
(mA)  
0~300  
0~350  
0~500  
0~600  
0~700  
(%)  
95  
95  
95  
95  
95  
VLD24-300  
VLD24-350  
VLD24-500  
VLD24-600  
VLD24-700  
PWM+analog  
PWM+analog  
PWM+analog  
PWM+analog  
PWM+analog  
2~32  
2~32  
2~32  
2~32  
INPUT  
parameter  
input voltage  
conditions/description  
absolute max before device failure  
opperating input range  
min  
nom  
max  
40  
36  
units  
VDC  
VDC  
μA  
5.5  
24  
quiescent input  
current in off mode  
input filter  
Vin = 24V, VDIM < 0.6V  
400  
capacitor  
OUTPUT  
parameter  
conditions/description  
Vin is at least 1.5~4V higher than Vout  
Vin-Vout > 1.5~4V  
300~700mA  
Vin = 24V, Vout = 2~32V  
-40°C ~ 71°C ambient  
min  
2
300  
nom  
max  
32  
units  
VDC  
mA  
%
%
%/°C  
μF  
voltage range  
current range  
current accuracy  
current stability  
temp. coefficient  
maximum capacitive  
load  
700  
±12  
±1±  
±0.03  
470  
±±  
±10  
PROTECTION CIRCUIT  
parameter  
conditions/description  
short-circuit protection regulated at rated output current  
th  
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382  
1234

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