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參數(shù)資料
| 型號： | CL1K4-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-252AA, DPAK-3 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 782K |
| 代理商： | CL1K4-G |
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
CL1
Features
5.0 to 90V operating range (V
A-B)
20mA ±5% at 45V (V
A-B)
-8.5A/°C typical temperature coefcient
Available in TO-243AA (SOT-89), TO-252 (D-PAK),
& TO-92 packages
No external components (two terminal device)
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 CL1 is a high voltage, temperature compensated,
constant current source. The device is trimmed to provide a
constant current of 20mA±5% at an input voltage of 45V. No
external components are required. The device can be used
as a two terminal constant current source or constant current
sink.
Atypical application for the CL1 is to drive LEDs with a constant
current of 20mA. Multiple CL1s 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
I
LED
20mA
VA
VB
CL1
Up to 90V
+VLED(total)
+
VLED(total)
-
VA
Control Circuit
and Temperature
Compensation
VB
Functional Circuit Diagram
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