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Ericsson Internal
PRODUCT SPECIFICATION
2 (11)
Prepared (also subject responsible if other)
No.
ESHUHAN
2/1301-BMR 658 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Betty Wu)
EZYPING
2010-01-27
G
5 V, 40 A / 200 W Electrical Specification
PKB 4201B PI
Tref = -30 to +90 C, 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
Typ
max
Unit
VI
Input voltage range
36
75
V
VIoff
Turn-off input voltage
Decreasing input voltage
32
33
35
V
VIon
Turn-on input voltage
Increasing input voltage
33
35
36
V
CI
Internal input capacitance
11
μ
F
VI = 75 V
0
194
VI = 53 V
0
194
PO
Output power
VI = 36 V
0
194
W
50 % of max IO , VI = 53 V
94.5
η
Efficiency
max IO , VI = 53 V
94.0
%
Pd
Power Dissipation
max IO
12
18
W
Pli
Input idling power
IO = 0 A, VI = 53 V
4
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.12
W
fs
Switching frequency
0-100 % of max IO
180
kHz
VOi
Output voltage initial setting and
accuracy
Tref = +25 °C, VI = 53 V, IO = 20 A
4.9
5.0
5.1
V
Output voltage tolerance band
0-100 % of max IO,
VI = 36 V to 75 V, see Note 3
4.5
5.5
V
Idling voltage
IO = 0 A
4.75
5.5
V
Line regulation
VI = 36 V to 75 V
0.04
V
VO
Load regulation
VI = 53 V, 0-100 % of max IO
0.1
0.25
0.4
V
Vtr
Load transient
voltage deviation
0.27
V
ttr
Load transient recovery time
VI = 53 V, Load step 50-75-50 % of
max IO, di/dt = 1 A/μs, see Note 1
0.06
ms
tr
Ramp-up time
(from 1090 % of VOi)
1
4
7
ms
ts
Start-up time
(from VI connection to 90 % of VOi)
0-100 % of max IO, see Note 1 & 2
5
10
14
ms
max IO, see Note 1
0.5
m
s
tf
VI shut-down fall time
(from VI off to 10 % of VO)
IO = 0 A, see Note 1
16
s
RC start-up time
max IO, see Note 1 & 2
7
ms
max IO, see Note 1
0.3
ms
tRC
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 0 A, see Note 1
16
s
IO
Output current
0
40
A
Ilim
Current limit threshold
Tref < max Tref
42
50
65
A
Isc
Short circuit current
Tref = 25 C
53
A
Cout
Recommended Capacitive Load
Tref = 25C, see Note 4
1000
F
VOac
Output ripple & noise
See ripple & noise section,
max IO
110
220
mVp-p
Input over voltage protection
79
OVP
Output over voltage protection
7.3
V
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/C.
Note 4: Low ESR type.
E
PKB 4000B series
Intermediate Bus Converters
Input 36-75 V, Output up to 40 A / 252 W
EN/LZT 146 384 R3C January 2010
Ericsson AB
Technical Specication
5