Datasheet

www.recom-power.com
REV.: 0/2019 L-2
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
RCDE-48
Series
BASIC CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Internal Input Filter capacitor
Input Voltage Range nom Vin= 48VDC 6VDC 48VDC 60VDC
Under Voltage Lockout (UVLO) nom. Vin= 48VDC
DC-DC ON
DC-DC OFF
5.6VDC
5.3VDC
Standby Current nom. Vin= 48VDC DC-DC OFF 5mA
Internal Operating Frequency 210kHz
550kHz
Output Ripple Current 20MHz BW
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
100mAp-p
200mAp-p
320mAp-p
Output Ripple Noise 20MHz BW
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
200mVp-p
300mVp-p
400mVp-p
Reflected Back Ripple Current 50mAp-p
Dropout Voltage
refer to “DROPOUT VOLTAGE”
for detailed information
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
1VDC
1.5VDC
2VDC
3VDC
continued on next page
Efficiency vs. Load
RCDE-48-0.35
RCDE-48-0.70
Efficiency vs. Load
Dropout Voltage vs. Load
Dropout Voltage vs. Load
Output Load [Number of Diodes]
3.0
2.0
1.0
2.5
1.5
0.5
0
Dropout Voltage [VDC]
2 3 4 5 7 8 10 12
15
6 9 11 13 14
Output Load [Number of Diodes]
3.0
2.0
1.0
2.5
1.5
0.5
0
Dropout Voltage [VDC]
2 3 4 5 7 8 10 12
15
6 9 11 13 14
0 1 2 3 4 5 7 8 10 12 156 9 11 13 14
Output Load [Number of Diodes]
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
0 1 2 3 4 5 7 8 10 12 156 9 11 13 14
Output Load [Number of Diodes]
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]