CL325
Load Regulation
1.20
1.00
0.80
0.±0
0.40
0.20
0
scale change
40 ±0
0
5
10
15
20
80
100
V
(V)
OUT
Pin Description
Pin #
1,2,3
4
Name
Description
EN1, EN2,
EN3
Output enable, active low.
Circuit common.
GND
OUT1, OUT2,
OUT3
5,±,7
8
Constant current output (sinking). Connect the cathodes of the LEDs to these pins.
Supply voltage. ±.5V to 90V. Bypass locally with a 100nF capacitor to ground.
VIN
The exposed underside plate is internally connected to the GND pin. The plate may either
be left floating or connected to ground. Solder the plate to an exposed copper area on the
PCB for heatsinking purposes (see recommended layout).
Underside
Plate
GND
Recommended PCB Layout
2
1cm exposed copper
Underside plate soldered
to copper area
Exposed copper area
may be plated
2
1cm exposed copper
4
SUPERTEX [ Supertex, Inc ]
