Ericsson Internal
PRODUCT SPECIFICATION
2 (13)
E
Prepared (also subject responsible if other)
No.
MICMALE
Approved
5
Checked
Date
Re
T
v
2/1301-BMR 658 Ueenchnic
R
al Sncepecification
efe
re
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
5 V, 40 A / 200 W Electrical Specification
PKB 4201B 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
194
194
194
PO
Output power
VI = 53 V
W
VI = 36 V
50 % of max IO , VI = 53 V
max IO , VI = 53 V
max IO
94.5
94.0
12
η
Efficiency
%
Pd
Pli
PRC
fs
Power Dissipation
Input idling power
Input standby power
Switching frequency
18
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
4
0.12
180
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25 °C, VI = 53 V, IO = 20 A
4.9
5.0
5.1
V
V
0-100 % of max IO,
VI = 36 V to 75 V, see Note 3
Output voltage tolerance band
4.5
5.5
5.5
Idling voltage
Line regulation
Load regulation
IO = 0 A
4.75
V
V
V
VO
VI = 36 V to 75 V
VI = 53 V, 0-100 % of max IO
0.04
0.25
0.1
0.4
Load transient
voltage deviation
Vtr
ttr
0.27
0.06
4
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
1
5
7
)
0-100 % of max IO, see Note 1 & 2
Start-up time
(from VI connection to 90 % of VOi
ts
tf
10
14
ms
)
max IO, see Note 1
IO = 0 A, see Note 1
max IO, see Note 1 & 2
0.5
16
7
ms
s
VI shut-down fall time
(from VI off to 10 % of VO)
RC start-up time
ms
tRC
max IO, see Note 1
IO = 0 A, see Note 1
0.3
16
ms
s
RC shut-down fall time
(from RC off to 10 % of VO)
IO
Output current
0
40
65
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
Tref = 25 ºC
42
50
53
A
A
Cout
Recommended Capacitive Load Tref = 25ºC, see Note 4
1000
µF
See ripple & noise section,
VOac
Output ripple & noise
max IO
110
220
mVp-p
V
Input over voltage protection
Output over voltage protection
79
OVP
7.3
Note 1: A 1 mF external output capacitance was used (ESR approx. 20 mohm).
Note 2: At ramp up with low load will the output voltage have a negative slope during a short time.
Note 3: Negative temperature coefficient: -3 mV/ºC.
Note 4: Low ESR type.
ERICSSON [ ERICSSON ]
