EPH3R3030
[
1
]
Electrical Specification
Output Side Ta
−
40 ~ 85
°C
Vi 36 ~75 V
Characteristics
Conditions
Ta = 25°C Io = 0~3 A
Io = 3 A Vi = 36~75 V
Io = 0~3 A Vi = 48 V
Vi = 48 V
Output
Min.
3.2
0
Output Over Current Limit
3.1
3.96
Io = Io Max.
20 Hz~5 MHz
0.6 Hz ~50 MHz
30
Typ.
3.3
30
75
10
4.62
2.97
100
80
Max.
3.46
3
Unit
V
mV
mV
A
W
A
V
V
mV
P
P
dB
µV
Vo
Output Voltage Initial Setting
Line Regulation
Load Regulation
Io
Output Current
Po Max
Output Over Voltage Protection
Output Low Voltage Protection
Voac
Output Ripple & Noise
[
2
]
Efficiency & Power Dissipation
Characteristics
Conditions
Io = 3 A Vi = 48 V
Io = 3 A Vi = 48 V
Min.
Typ.
84
1.8
Max.
Unit
%
W
η
Pd
Efficiency
Power Dissipation
90
85
80
75
70
65
60
55
50
45
40
Efficiency Curve (Ta=25
°
C)
Vin=36V
Vin=48V
Vin=60V
Vin=75V
3.5
3.0
2.5
Loss Curve (Ta=25
°
C)
Vin=36V
Vin=48V
Vin=60V
Vin=75V
Loss [W]
EFF [%]
2.0
1.5
1.0
0.5
0
0.5
1.0
4
3
Io [A]
Over Current (Ta=85
°
C)
1.5
2.0
2.5
3.0
0
0
0.5
3.5
3.4
Io [A]
Load Regulation (Ta=25
°
C)
1.0
1.5
2.0
2.5
3.0
3.448V(Vin=75V)
∆
Vo [V]
2
1
0
0
1
2
Vo [V]
Vin=36V
=48V
=60V
=75V
120mV
3.3
3.2
3.1
Vin=75V
=60V
=48V
=36V
0
1
2
3.328V(Vin=75V)
3
Io [A]
4
5
6
7
3.0
0
Io [A]
3
4
5
SHINDENGEN [ SHINDENGEN ELECTRIC MFG.CO.LTD ]
