Typical Characteristics
PKF 4310
Output characteristic (typ)
Power derating
Efficiency (typ) @ TA = +25°C
4
3
2.5
90
80
70
60
ss
2.3
2.1
1.9
38 V
2
1
72 V
0.6
0
ss
0
0.8
1.6
2.4
3.2
0.3
0.9
1.2
1.5
-45
-30
Pin temperature (°C)
+85
+100
+115
Load current (A)
Load current (A)
Turn-on/turn/off input voltage
Temperature coefficient
2.12
2.10
38
n
-o
n
r
u
T
36
34
32
d
a
o
l
%
0
1
t
a
f
f
o
-
n
r
ad
o
l
u
T
%
0
2.08
0
1
t
a
f
f
o
-
n
r
u
T
2.06
-30 -15
0
+15 +30 +45 +60 +75 +90
Pin temperature (°C)
-30 -15
0
+15 +30 +45 +60 +75 +90
Pin temperature (°C)
PKF 4510
Output characteristic (typ)
Power derating
Efficiency (typ) @ TA = +25°C
8
6
90
80
70
60
38 V
72 V
ss
4
2
0
ss
0.3
0.6
0.9
1.2
1.5
-45
-30
Pin temperature (°C)
+85
+100
+115
Load current (A)
Temperature coefficient
Turn-on/turn/off input voltage
3.38
3.34
3.30
3.26
38
36
34
32
d
a
o
l
%
0
0
1
t
a
f
f
o
-
n
r
ad
o
u
T
l
%
0
1
t
a
f
f
o
-
n
r
u
T
-30 -15
0
+15 +30 +45 +60 +75 +90
Pin temperature (°C)
-30 -15
0
+15 +30 +45 +60 +75 +90
Pin temperature (°C)
EN/LZT 146 33 R1A (Replaces EN/LZT 137 09 R7) © Ericsson Microelectronics AB, June 2000
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