Datasheet

DRQ-12/42-D48 Series
500W Digital Fully Regulated
Intermediate DC-DC Bus Converter
MDC_DRQ-12/42-D48.A03 Page 5 of 24
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PERFORMANCE DATA
Maximum Current Temperature Derating at sea level
(Vin = 40V, airfl ow from -Vin to +Vin, with heat sink)
Maximum Current Temperature Derating at sea level
(Vin = 75V, airfl ow from -Vin to +Vin, with heat sink)
Output vs. Input Voltage @ No Load
Maximum Current Temperature Derating at sea level
(Vin = 48V, airfl ow from -Vin to +Vin, with heat sink)
30 35 40 45 50 55 60 65 70 75 80 85
0
10
20
30
40
50
Output Current (Amps)
Ambient Temperature (°C)
2.0 m/s (400 LFM)
1.5 m/s (300 LFM)
1.0 m/s (200 LFM)
0.5 m/s (100 LFM)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
34.1 34.5 34.9 35.3 35.7 36.1 36.5 36.9 37.3 37.7 38.1 38.5 38.9
Output Voltage
VIN OFF
VIN ON
30 35 40 45 50 55 60 65 70 75 80 85
0
10
20
30
40
50
Output Current (Amps)
Ambient Temperature (°C)
2.0 m/s (400 LFM)
1.5 m/s (300 LFM)
1.0 m/s (200 LFM)
0.5 m/s (100 LFM)
30 35 40 45 50 55 60 65 70 75 80 85
0
10
20
30
40
50
Output Current (Amps)
Ambient Temperature (°C)
2.0 m/s (400 LFM)
1.5 m/s (300 LFM)
1.0 m/s (200 LFM)
0.5 m/s (100 LFM)
Effi ciency vs. Line Voltage and Load Current @ +25°C
70
75
80
85
90
95
100
0 1020304050
Load Curre nt (Amps)
Efficiency (%)
V IN = 38V
V
IN = 48V
V
IN = 75V