DRQ-12-42-D48 Datasheet, PDF (5/24 Pages) Murata Power Solutions Inc. – 500W Digital Fully Regulated Intermediate DC-DC Bus Converter

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