Typical Characteristics
[%]
87
86
Efficiency (typ) @ T
A
= +25°C
[W]
18
15
Power derating
[A]
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Cross regulation output 1 (+12V)
85
12
9
6
3
0
-50
Load Current Output 1
Max output Power
Effiency
84
83
82
81
0.0
0.1 0.2
36 V
53 V
75 V
Operating area for
+/- 4 % tolerance
0.3
0.4 0.5 0.6
0.7
0.8
[A]
-40
-30
+80
+90 +100 +110 +120
[˚C]
0.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
[A]
Load Current
Case Temperature
Load Current Output 2
[A]
0.7
Cross regulation output 2 (-12V)
[V]
14.2
Temperature coefficient
[V]
37
36
Turn-on/turn-off input voltage
38
Load Current Output 1
0.6
Output voltage
0.5
0.4
0.3
0.2
Operating area for
+/- 4 % tolerance
Turn-on/Turn-off voltage
13.4
35
Turn-on
34
33
32
31
Turn-off
12.6
11.8
11.0
0.1
0.0
0.0
10.2
0.1
0.2
0.3
0.4
0.5
0.6
0.7
[A]
-30
-10
10
30
50
70
90 [˚C]
-30 -14.3
1.2 16.8
32.5
48.1 63.7 79.3 95
[˚C]
Load Current Output 2
Case Temperature
Case Temperature
EMC Specifications
The PKF power module is mounted on a double sided Printed
circuit Board (PB) with ground plane during EMC measurements.
The fundamental switching frequency is 510 kHz ±5% @
I
O
= (0.1…1.0) × I
O
max
.
External Filter (class B)
Required external input filter in order to meet class B in
EN 55022, CISPR 22 and FCC part 15J.
L1 = 884 µH
C1, C2 = 680 nF
C5, C6 = 6.8 nF
+
Supply
voltage
-
pin 17
C1
C2
C5
L1
pin 18
(pulse PO473)
C6
Conducted EMI (input teminals)
4221A SI without filter.
4221A SI with filter.
EN/LZT 146 040 R1A © Ericsson Power Modules AB, October 2003
5
ERICSSON [ ERICSSON ]
