Datasheet

www.recom-power.com
REV.: 0/2019 L-4
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
RCDE-48
Series
ANALOGUE DIMMING CONTROL (leave open if not used - do not tie to +Vin)
Parameter Condition Value
Input Voltage Limits
low line, DC-DC OFF
high line, DC-DC ON
0VDC to 0.3VDC
3VDC to 12VDC
Control Voltage Range 20% to 100% 0.3VDC to 2.5VDC
Pin Drive Current Analogue Vc= 5VDC 1mA max.
Deviation vs. Load
RCDE-48-0.70 RCDE-48-1.05
7
3.5
0
-3.5
5.25
1.75
-1.75
-5.25
-7
Deviation [%]
0 1 2 3 4 5 6 8 107 9 12
11
1513 14
Output Load [Number of Diodes]
Output Current [%]
Analogue Dimming Control [VDC]
0 0.3 0.9 1.5 2.10.6 1.2 1.8 2.4 2.5
100
80
60
40
90
70
50
30
20
10
0
7
3.5
0
-3.5
5.25
1.75
-1.75
-5.25
-7
Deviation [%]
0 1 2 3 4 5 6 8 107 9 12
11
1513 14
Output Load [Number of Diodes]
Analogue Dimming
Analogue Dimming Application 1-10VDC
LED++V
in
Dim/CTRL
LED--V
in
D
LEDn
D
LED1
+V
in
V
Dim
RCDE-48-xx
R
1
R
2
GNDGND
V
Dim
R
1
R
2
1 - 10VDC 20kΩ 10kΩ