CL520 Supertex, Inc., CL520 Datasheet - Page 4

• Manufacturer Part Number: CL520
• Description: Linear, Fixed Constant Current Led Driver
• Manufacturer: Supertex, Inc.

Application Circuits
Ground Referenced LEDs
Pin Description
TO-252
D-PAK
(K4)
1
3
4
Pin #
TO-92
(N#)
1
2
3
●
Name
GND
VDD
OUT
1235 Bordeaux Drive, Sunnyvale, CA 94089
V
IN
100nF
Description
Supply voltage for the CL520. Bypass locally with a 100nF capacitor to
ground.
Constant current output (sink).
Circuit common.
I
LED
Control
4
= I
VDD
OUT
+ I
20mA
DD
●
Tel: [phone]
GND
OUT
V
LED
+ 4.75V ≤ V
●
www.supertex.com
IN
≤ V
LED
+ 90V
CL520