E
ESHUHAN
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
2 (5)
Prepared (also subject responsible if other)
2/1301-BMR 636
Technical Specification
01/44 Uen
2008-4-8
EN/LZT 146
394 R4A Sep
2008
Rev
Reference
8
PKB
4000
You)
SEC/D (Julia
series
DC/DC converters,
Input
36-75
V, Output
30
A/90 W
EQUENXU
A
© Ericsson Power Modules AB
1.5 V/30 A Electrical Specification
PKB 4418 PIOANB
T
ref
= -40 to +90ºC, V
I
= 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: T
ref
= +25°C, V
I
= 53 V
I
max I
O
, unless otherwise specified under Conditions.
Additional C
in
= 0
μF
and C
out
= 0
μF.
See Operating Information section for selection of capacitor types.
Characteristics
V
I
V
Ioff
V
Ion
C
I
P
O
Input voltage range
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Output voltage initial setting
50 % of max I
O
η
Efficiency
max I
O
50 % of max I
O
, V
I
= 48 V
max I
O
, V
I
= 48 V
P
d
P
li
P
RC
f
s
Power Dissipation
Input idling power
Input standby power
Switching frequency
max I
O
I
O
= 0 A, V
I
= 53 V
V
I
= 53 V (turned off with RC)
0-100 % of max I
O
0
88.5
86.6
88.8
86.5
7.0
1.3
0.11
167
8.4
W
W
W
kHz
%
Decreasing input voltage
Increasing input voltage
Conditions
min
36
30
33
31
34
2.65
45
typ
max
75
32
35
Unit
V
V
V
μ
F
W
V
Oi
Output voltage initial setting and
T
ref
= +25°C, V
I
= 53 V, I
O
= 20 A
accuracy
Output adjust range
Output voltage tolerance band
See operating information
10-100 % of max I
O
I
O
= 0 A
max I
O
V
I
= 53 V, 0-100 % of max I
O
V
I
= 53 V, Load step 25-75-25 % of
max I
O
, di/dt = 3 A/
μ
s
1.48
1.20
1.47
1.47
1.50
1.53
1.65
1.54
1.54
V
V
V
V
mV
mV
mV
μs
ms
ms
m
s
V
O
Idling voltage
Line regulation
Load regulation
Load transient
voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90 % of V
Oi
)
3
3
±350
40
1
9
12
0.04
13.9
13.4
0.02
17
0
10
10
±400
130
14
22
V
tr
t
tr
t
r
t
s
t
f
Start-up time
(from V
I
connection to 90 % of V
Oi
)
(from V
I
off to 10 % of V
O
)
10-100 % of max I
O
4
max I
O
I
O
= 0 A
max I
O
max I
O
I
O
= 0 A
T
ref
< max T
ref
T
ref
= 25ºC, see Note 1
See ripple & noise section,
max I
O
, V
Oi
T
ref
= +25°C, V
I
= 53 V, 0-100 % of
max I
O
31
V
I
shut-down fall time
s
ms
ms
s
30
A
A
A
mVp-p
V
39
43
80
2.1
RC start-up time
t
RC
I
O
I
lim
I
sc
V
Oac
OVP
RC shut-down fall time
(from RC off to 10 % of V
O
)
Output current
Current limit threshold
Short circuit current
Output ripple & noise
Over voltage protection
33
38
50
1.8
1.9
Note 1: Vo<0.5V
ERICSSON [ ERICSSON ]
