Ericsson Internal
PRODUCT SPECIFICATION
8 (13)
E
Prepared (also subject responsible if other)
No.
MICMALE
Approved
2/1301-BMR 658 Ueenchnic
R
al Sncepecification
efe
re
11
Checked
Date
Re
T
v
PKB 4000B series Intermediate Bus(ECZoHnEvWeNrtGe)rs2009-12-10
SEC/D Betty Wu
E
EN/LZT 146 384 R4A
May 2013
© Ericsson AB
Input 36-75 V, Output up to 40 A / 252 W
13 V, 20 A / 252 W Electrical Specification
PKB 4207LB PI
Tref = -30 to +90 ºC, VI = 36 to 75 V, unless otherwise specified under Conditions.
Typical values given at: Tref = +25 °C, VI= 53 V, max IO, unless otherwise specified under Conditions.
Characteristics
Conditions
min
36
Typ
max
75
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Decreasing input voltage
Increasing input voltage
32
33
35
11
35
V
33
36
V
μF
VI = 75 V
0
0
0
252
252
252
PO
Output power
VI = 53 V
W
VI = 36 V
50 % of max IO , VI = 53 V
max IO , VI = 53 V
max IO
95
94
16
4
η
Efficiency
%
Pd
Pli
PRC
fs
Power Dissipation
Input idling power
Input standby power
Switching frequency
25
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
0.1
220
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25 °C, VI = 53 V, IO = 10 A
12.8
13.00
13.2
13.6
V
V
0-100 % of max IO,
VI = 36 V to 75 V
Output voltage tolerance band
11.8
12.4
Idling voltage
Line regulation
Load regulation
IO = 0 A
13.6
0.8
V
V
V
VO
VI = 36 V to 75 V
VI = 53 V, 0-100 % of max IO
0.2
0.3
0.65
0.9
Load transient
voltage deviation
Vtr
ttr
0.4
0.25
5.5
V
VI = 53 V, Load step 50-75-50 % of
max IO, di/dt = 1 A/μs, see Note 1
Load transient recovery time
ms
ms
Ramp-up time
(from 10−90 % of VOi)
tr
2
6
9
0-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi
ts
tf
11
16
ms
)
max IO
IO = 0 A
max IO
0.1
0.8
8
ms
s
VI shut-down fall time
(from VI off to 10 % of VO)
RC start-up time
ms
tRC
max IO
0.1
0.5
ms
s
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 0 A
IO
Output current
0
21
0
20
33
A
Ilim
Cout
Isc
Current limit threshold
Tref < max Tref
27
A
Recommended Capacitive Load Tref = 25ºC
µF
A
Short circuit current
Output ripple & noise
Tref = 25 ºC
29
80
See ripple & noise section,
max IO
VOac
240
mVp-p
V
Input over voltage protection
Output over voltage protection
79
OVP
13.5
Note 1: A 220 μF external output capacitance was with low ESR was used.
ERICSSON [ ERICSSON ]
