Figure 15.
Interface to PIC or other microcontroller
Figure 16.
Using resistor for fixed current reduction
Output is approximately: %IOUT = R1/50
Figure 14.
Pulse/Strobe input 5V=OFF
Figure 15.
Pulse/Strobe input 5V=ON
Figure 12.
External dimming plus ON/OFF control with
switch closure
Figure 13.
External dimming plus ON/OFF control with
logic level input
©2012 LUXdrive, A Division of LEDdynamics, Inc. www.LUXdrive.com.
Specications subject to change without notice. March, 2012 - Rev 3.0
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LEDdynamics, Inc.
802.728.4533 P
802.728.3800 F
sales@LUXdrive.com
www.LUXdrive.com
Wide Range LED Power Module
3021/3023 BuckPuck
TM
DATA SHEET Page 7 of 8
3021/3023
LED+
LED-
V
in
CTRL
TTL/CMOS
COM
3021/3023
LED+
LED-
V
in
CTRL
REF
R1
3021/3023
LED+
LED-
V
in
CTRL
REF
5K CW
3021/3023
LED+
LED-
V
in
CTRL
REF
Vcc
I/O
GND
0.1µf
Other
I/O Lines
Figure 16.
Interface to PIC or other microcontroller
Figure 17.
Using resistor for xed current reduction
Output is approximately: %IOUT = R1/50
3021/3023
LED+
LED-
V
in
CTRL
REF
5K CW
LO = OFF
HI = ON
5K
5K
2N3906
3021/3023
LED+
LED-
V
in
CTRL
REF
LO = OFF
HI = ON
5K
5K
2N3906
