Datasheet

www.recom-power.com
REV.: 0/2019 L-5
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
RCDE-48
Series
PWM DIMMING AND ON/OFF CTRL (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
Dimming Voltage Range 0% to 100% 0% - 100%, duty cycle
Pin Drive Current ON/OFF CTRL Vc= 5VDC 1mA max.
PWM Frequency
for linear operation
frequency limit
200Hz - 1kHz
10kHz max.
PWM Dimming
Output Current [%]
PWM Dimming [%]
0
100
80
60
40
90
70
50
30
20
10
0
10 20 30 40 50 60 70 80 90 100
200Hz
1kHz
10kHz
Output Current [%]
PWM Dimming [%]
0
6
4
5
3
2
1
0
1 2 3 4 5
200Hz
1kHz
10kHz
PROTECTIONS
Parameter Type Value
Over Temperature Protection (OTP) case temperature 115°C typ., ±10°C
ENVIRONMENTAL
Parameter Condition
Value
Operating Temperature Range @ natural convection 0.1m/s refer to “Derating Graph”
Maximum Case Temperature 105°C
Temperature Coefficient 0.06%/K typ.
Thermal Impedance 32K/W
Operating Altitude 5000m
Operating Humidity non-condensing 95% RH
MTBF
according to MIL-HDBK-
217F, G.B.
+25°C
+40°C
1830 x 10³ hours
1730 x 10³ hours
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