Datasheet

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PRELIMINARY
PERFORMANCE DATA
Effi ciency vs. Line Voltage and Load Current @ +25°C
70
80
75
85
90
95
100
5 101520253035404550 6055
Load Current (A)
Efficiency (%)
VIN = 36V
V
IN = 48V
V
IN = 75V
DBQ/DVQ Series
420W Digital Fully Regulated Intermediate
DC-DC Bus Converter
MDC_DBQ Series.B02Δ Page 7 of 31
Maximum Current Temperature Derating with baseplate
(Vin = 48V, airfl ow from Vin- to Vin+)
Maximum Current Temperature Derating with baseplate
(Vin = 48V, airfl ow from Vin to Vout)
0
10
20
30
40
50
60
70
30 40 50 60 70 80 85
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
2.5 m/s (500 LFM)
3.0 m/s (600 LFM)
Output Current (Amps)
Ambient Temperature (°C)
0
10
20
30
40
50
60
70
30 40 50 60 70 80 85
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
2.5 m/s (500 LFM)
3.0 m/s (600 LFM)
Output Current (Amps)
Ambient Temperature (°C)