Datasheet
HPH Series
Isolated, Low VOUT to 70A, Half-Brick DC/DC Converters
MDC_HPH_B01 Page 6 of 13
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70
72
74
76
78
80
82
84
86
88
90
92
94
96
0 5 10 15 20 25 30 35 40
0
2
4
6
8
10
12
14
16
18
20
22
24
26
HPH-5/40-D48
Efficiency and Power Dissipation Vs. Load Current @ +25ºC
Efficiency (%)
Load Current (Amps)
Loss (Watts)
VIN = 75V
V
IN = 48V
V
IN = 36V
Power Dissipation @ VIN = 48V
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
30 35 40 45 50 55 60 65 70 75 80
Ambient Temperature (ºC)
Output Current (Amps)
HPH-5/40-D48 Maximum Current Temperature Derating
(V
IN
=48V, Airflow is from V
IN
to V
OUT
, no baseplate)
100 LFM
200 LFM
300 LFM
400 LFM
10
15
20
25
30
35
40
45
50
55
60
65
70
75
30 35 40 45 50 55 60 65 70 75 80
100 LFM
200 LFM
300 LFM
400 LFM
HPH-3.3/70-D48 Maximum Current Temperature Derating
(VIN=48V, Airflow is from VIN to VOUT, no baseplate)
Ambient Temperature (ºC)
Output Current (Amps)
VIN = 75 V
V
IN = 50 V
V
IN = 36 V
76
78
80
82
84
86
88
90
92
94
10 20 30 40 50 60 70
HPH-3.3/70-D48
Efficiency and Power Dissipation Vs. Load Current @ +25ºC
Efficiency (%)
Load Current (Amps)
0
10
20
30
40
50
60
70
80
30 35 40 45 50 55 60 65 70 75 80
100 LFM
200 LFM
300 LFM
400 LFM
HPH-3.3/70-D48 Maximum Current Temperature Derating
(VIN=48V, Airflow is from VIN to VOUT, with baseplate)
Ambient Temperature (ºC)
Output Current (Amps)
TYPICAL PERFORMANCE DATA