E
MICMALE
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
5 (13)
Prepared (also subject responsible if other)
2/1301-BMR 658 Uen
Checked
Date
Rev
Reference
Technical Specification
8
May
2013
SEC/D Betty Wu
PKB 4000B series
Intermediate Bus
(EZHEWNG) 2009-12-10
Converters
Input 36-75 V, Output up to
40
A / 252 W
12 V, 20 A / 240 W Electrical Specification
E
EN/LZT 146
384
R4A
© Ericsson AB
PKB 4204B PI
T
ref
= -30 to +90 ºC, V
I
= 36 to 75 V, unless otherwise specified under Conditions.
Typical values given at: T
ref
= +25 °C, V
I
= 53 V, max I
O
, unless otherwise specified under Conditions.
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
V
I
= 75 V
Output power
V
I
= 53 V
V
I
= 36 V
η
P
d
P
li
P
RC
f
s
Efficiency
Power Dissipation
Input idling power
Input standby power
Switching frequency
Output voltage initial setting and
accuracy
Output voltage tolerance band
V
O
Idling voltage
Line regulation
Load regulation
V
tr
t
tr
t
r
t
s
t
f
Load transient
voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90 % of V
Oi
)
Conditions
Decreasing input voltage
Increasing input voltage
min
36
32
33
0
0
0
Typ
33
35
11
max
75
35
36
234
234
220
Unit
V
V
V
μ
F
W
50 % of max I
O
, V
I
= 53 V
max I
O
, V
I
= 53 V
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
95.5
94.5
13.5
3
0.1
180
23
%
W
W
W
kHz
V
Oi
T
ref
= +25 °C, V
I
= 53 V, I
O
= 10 A
0-100 % of max I
O
,
V
I
= 38 V to 75 V, see Note 1
I
O
= 0 A
V
I
= 38 V to 75 V, see Note 2
V
I
= 53 V, 0-100 % of max I
O
V
I
= 53 V, Load step 50-75-50 % of
max I
O
, di/dt = 1 A/
μ
s, see Note 3
11.85
10.8
11.4
12.00
12.15
12.6
12.6
V
V
V
V
V
V
ms
0.2
0.3
0.6
0.4
0.25
2
5.5
11
0.1
0.35
8
0.1
0.35
0
20
27
29
80
79
13.5
240
33
21
0
9
16
0.9
ms
ms
m
s
Start-up time
(from V
I
connection to 90 % of V
Oi
)
0-100 % of max I
O
6
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
T
ref
= 25 ºC
See ripple & noise section,
max I
O
V
I
shut-down fall time
(from V
I
off to 10 % of V
O
)
s
ms
ms
s
A
A
µF
A
mVp-p
V
RC start-up time
t
RC
I
O
I
lim
C
out
I
sc
V
Oac
OVP
RC shut-down fall time
(from RC off to 10 % of V
O
)
Output current
Current limit threshold
Recommended Capacitive Load
Short circuit current
Output ripple & noise
Input over voltage protection
Output over voltage protection
Note 1: At V
I
= 36 V to 38 V is the lower limit 10.5 V.
Note 2: At V
I
= 36 V to 75 V is the typical value 0.6 V.
Note 3: A 220
μF
external output capacitance was with low ESR was used.
ERICSSON [ ERICSSON ]
