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550 E. Weddell Drive, Suite 4, Sunnyvale, CA 94089. U. S. A. Tel.: (408) 747 -9760, Fax: (408) 747-9770. www.analogtechnologies.com
© Copyright 1999 – 2003, Analog Technologies, Inc. All Rights Reserved. Updated: 4/28/03
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LED22V1A
Analog Technologies, Inc.
2
W1
5K to 10K
GND
1
VPSPR
2
VPSDR
3
LIS
4
2.5V
5
SDNG
6
PSIO
7
LEDA
9
GND
10
LED Controller
LED22V1A
Power Supply 7V to 22V
Power Supply 0V
S1
Switch
ADC or V meter
(Optional: for dimming control)
(Optional: for turning on and off)
LED
1W or 5W
Power Supply 7V to 22V
(Connect to Pin 2 or Pin 3)
Figure 1 Typical Application of LED Controller LED22V1A
0 to 1A
Soldering pads
Figure 2 Top View
Components
POT
1
2
3
4
5
6
7
8
9
13.8 ± 0.1 mm
25 ± 0.1 mm
GND
LEDA
GND
VPSPR
VPSDR
LIS
2.5V
SDNG
PSIO
Soldering pads
Figure 3 Side View
Components
Components
1.2 mm
5.5mm
Soldering pads