Datasheet
PAH 48, 53 Vout, 450W Series
Isolated, up to 450 Watt, Half-Brick DC-DC Converters
MDC_PAH-48-53Vout-450W.A10 Page 5 of 19
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TYPICAL PERFORMANCE DATA, PAH-48/8.5-D48
Effi ciency and Power Dissipation @ Ta = +25°C
0
6
12
18
24
30
36
42
48
54
60
66
72
78
72
74
76
78
80
82
84
86
88
90
92
94
96
98
0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5
VIN = 36V
V
IN = 48V
Power Dissipation
VIN = 48V
V
IN = 75V
Efficiency (%)
Dissipation (Watts)
Iout (Amps)
2
3
4
5
6
7
8
9
30 35 40 45 50 55 60 65 70 75 80 85
0.25 m/s (50 LFM)
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)
35 40 45 50 55 60 65 70 75 80 85
180
210
240
270
300
330
360
390
420
450
480
0.25 m/s (50 LFM)
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 Power (Watts)
Ambient Temperature
(°C)
2
3
4
5
6
7
8
9
30 35 40 45 50 55 60 65 70 75 80 85
0.25 m/s (50 LFM)
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)
35 40 45 50 55 60 65 70 75 80 85
180
210
240
270
300
330
360
390
420
450
480
0.25 m/s (50 LFM)
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 Power (Watts)
Ambient Temperature
(°C)
Output Power Derating in Conduction Cooling (Cold Baseplate) Applications
(Vin=48V, Ambient Temperature <70°C)
350
375
400
425
450
475
20 30 40 50 60 70 80 90 100
Output Power (Watts)
Cold Baseplate (Interior) Temperature
(°C)
Maximum Current Temperature Derating at sea level
(Vin=48V, longitudinal airfl ow, on 10˝ x 10˝ PCB with baseplate)
Maximum Power Temperature Derating at sea level
(Vin=48V, longitudinal airfl ow, on 10˝ x 10˝ PCB with baseplate)
Maximum Current Temperature Derating at sea level
(Vin=48V, transverse airfl ow, on 10˝ x 10˝ PCB with baseplate)
Maximum Power Temperature Derating at sea level
(Vin=48V, transverse airfl ow, on 10˝ x 10˝ PCB with baseplate)