Datasheet

PAH-28 Vout, 350-Watt Series
Isolated, 350-Watt, Half-Brick DC-DC Converters
MDC_PAH-28Vout-350W.B05 Page 10 of 21
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TYPICAL PERFORMANCE DATA, PAH-28/12.5-D48
Effi ciency and Power Dissipation, Ambient Temperature = +25°C
Maximum Current Temperature Derating at sea level
(Vin=48V, longitudinal airfl ow, from Vin to Vout, with baseplate)
Output Power Derating in Conduction Cooling (Cold Baseplate) Applications
(Vin=48V, Ambient Temperature <70°C)
Maximum Current Temperature Derating at sea level
(Vin=48V, longitudinal airfl ow, from Vin to Vout, with baseplate)
0
4
8
12
16
20
24
28
32
36
60
64
68
72
76
80
84
88
92
96
1.25 2.5 3.75 5 6.25 7.5 8.75 10 11.25 12.5
VIN = 36V
V
IN = 48V
Power Dissipation
VIN = 48V
V
IN = 75V
Efficiency (%)
Dissipation (Watts)
Iout (Amps)
Maximum Current Temperature Derating at sea level
(Vin=48V, transverse airfl ow, from Vin- to Vout+, with baseplate)
Maximum Current Temperature Derating at sea level
(Vin=48V, transverse airfl ow, from Vin- to Vout+, with baseplate)
0
2
4
6
8
10
12
14
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)
160
200
180
220
240
260
280
300
340
320
360
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 Power (Watts)
Ambient Temperature (°C)
0
2
4
6
8
10
12
14
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)
250
275
300
325
350
375
20 30 40 50 60 70 80 90 100
Output Power (Watts)
Cold Baseplate (Interior) Temperature (°C)
160
200
180
220
240
260
280
300
340
320
360
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 Power (Watts)
Ambient Temperature (°C)