参数资料
型号: VLLDU-1-30W
厂商: Vishay Semiconductors
文件页数: 2/4页
文件大小: 0K
描述: IC LED DRVR STP-DWN 5PCB
标准包装: 50
恒定电流:
拓扑: PWM,降压(降压)
输出数: 1
内部驱动器:
类型 - 主要: 通用
类型 - 次要: 颜色
频率: 100kHz ~ 500kHz
电源电压: 6 V ~ 48 V
安装类型: PCB
封装/外壳: 模块
包装: 散装
工作温度: -40°C ~ 100°C
VLLDU-1-30W
www.vishay.com
ELECTRICAL SPECIFICATIONS (T amb = 25 °C, unless otherwise specified)
VLLDU-1-30W
Vishay Semiconductors
PARAMETER
Input voltage
Recommended difference of V IN to V LED (1)
Output current 1
Output current 2
Output current accuracy
PWM Resolution
PWM_IN (2)
Typical internal switching frequency
Efficiency
CONDITIONS
Jumper 1
Jumper 1 and 2
Off
On
Switch on time
Switch off time
Analog input
PWM
LED string with 6 LEDs at 20 V and
670 mA
SYMBOL
V IN
V IN to V LED
I OUT1
I OUT2
Δ I OUT
PWM res
PWM_IN off
PWM_IN on
t on
t off
PWM_IN analog
f int
η el
MIN.
6
3
-
-
-
-
-
1.25
130
70
0.3
100
-
TYP.
-
-
350
670
2
-
-
-
-
-
-
-
91
MAX.
48
5
-
-
-
1000:1
0.1
48
-
-
-
500
-
UNIT
V
V
mA
mA
%
V
V
ns
ns
V
kHz
%
Notes
(1) If the voltage difference is higher than 5 V between driver input voltage and LED string voltage, the module should be cooled. It is not allowed
to rise up the converter IC above maximum allowed temperature.
(2) No connection is not allowed.
TERMINAL PLAN
K
PWM
G ND
V IN
A
A
K
JP
Current 01 (min. value)
Current 02 (max. value)
Connections
PWM = control input
GND = external ground
V IN = input voltage
LED_OUT = LED output (selectable direction)
Rev. 1.1, 09-Nov-11
2
Document Number: 82422
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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