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參數(shù)資料
| 型號： | CL2K4-G |
| 廠商： | SUPERTEX INC |
| 元件分類： | 顯示驅(qū)動器 |
| 中文描述： | LED DISPLAY DRIVER, PSSO2 |
| 封裝： | GREEN, TO-252, D-PAK-3 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 709K |
| 代理商： | CL2K4-G |
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
CL2
Features
5.0 to 90V operating range (V
A-B)
20mA ±10% at 5.0 - 90V
0.01%/°C typical temperature coefcient
Available in TO-243AA (SOT-89), TO-252 (D-PAK),
& TO-92 packages
Can be paralleled for higher current
Applications
LED driver
Industrial lamp indicators
Signage
Accent lighting
Automotive
Constant current source
Constant current sink
General Description
The Supertex CL2 is a high voltage, temperature compensated,
constant current source. The device is trimmed to provide
a constant current of 20mA±10% at an input voltage of 5.0
- 90V. The device can be used as a two terminal constant
current source or constant current sink.
Atypical application for the CL2 is to drive LEDs with a constant
current of 20mA. Multiple CL2s can also be used in parallel to
provide higher currents such as 40mA, 60mA or 80mA. The
device is available in TO-243AA (SOT-89), TO-252 (D-PAK),
and TO-92 packages.
Typical Application Circuit
Simple 90V, 20mA, Temperature Compensated
Constant Current LED Driver IC
VA
VB
Up to 90V
+ VLED(total)
+
VLED(total)
-
VA
VB
Functional Circuit Diagram
CL2
ILED
<20mA
Control Circuit
and Temperature
Compensation
100nF
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