LE200S-CD

200W Single Output

LED Driver Series

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LE200S-CD 15-APRIL-13

4

Dimming Control

The dimmer control may be operated from either a potentiometer or from an input signal of 1 – 10 Vdc. Two recommended implementations are

provided below.

Parameters:

Parameter

Min.

Typ.

Max.

Notes

Absolute Max. Voltage on the 1-10V input

-2V

-

12V

Sink Current on the 1-10V input pin

0mA

-

1mA

Dimming Configuration using External Voltage

Dimming Configuration using External Resistance

Dimming Control Notes:

1. Io is actual output current and Ir is rated current without dimming control.

2. For the driver to operate properly, the load voltage must be maintained above the minimum voltage threshold (approx. 50% of the max.

output voltage for any given model).

3. If the output voltage is maintained above 50% of the maximum output voltage, the dimming control may be

operated over the entire 1-10V range with output current varying from 100% down to practically 10%.

4. The dimming signal is allowed to be less than 1V, however, when it for 0-1V, the output current is 10%Io.

5. Do not connect the GND of dimming to the output; otherwise, the LED driver can not work normally.

Data Sheet © 2012 SL Power Electronics Corp. The information and specifications contained herein are believed to be correct at the time of publication. However, SL Power accepts no responsibility for

consequences arising from reproduction errors or inaccuracies. Specifications are subject to change without notice.

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