Ericsson Confidential
EXUEFYA
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/24 Uen
17
Technical Specification
Approved
Checked
Date
Rev
EN/LZT 146 3R9e4feRre5nDce October 2013
PKB 4000 series
SEC/D (Julia You)
ECHWANG 2008-5-21
A
© Ericsson AB
DC/DC converters, Input 36-75 V, Output 30 A/90 W
2.5 V/25 A Electrical Specification
PKB4619 PINB
Tref = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 53 VI max IO, unless otherwise specified under Conditions.
Additional Cin = 0µF and Cout = 0µF. See Operating Information section for selection of capacitor types.
Characteristics
Conditions
min
36
typ
max
Unit
V
VI
Input voltage range
75
32
35
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
30
31
34
V
33
V
3.35
µF
PO
Output voltage initial setting
50 % of max IO
0
62.5
9.4
W
89.6
89.5
90.0
89.5
7.4
max IO
η
Efficiency
%
50 % of max IO, VI = 48 V
max IO, VI = 48 V
max IO
Pd
Pli
Power Dissipation
Input idling power
Input standby power
Switching frequency
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
2.1
PRC
fs
0.118
198
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 53 V, IO = 15 A
2.45
2.5
2.55
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100 % of max IO
2.00
2.40
2.45
2.75
2.60
2.55
10
V
V
VO
IO = 0 A
V
Line regulation
max IO
3
3
mV
mV
Load regulation
VI = 53 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±300
50
±400
200
17
mV
µs
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/µs
Load transient recovery time
Ramp-up time
(from 10−90 % of VOi)
3
6
11
ms
10-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
14
21
ms
max IO
IO = 0 A
max IO
0.062
8
ms
VI shut-down fall time
(from VI off to 10 % of VO)
s
RC start-up time
12
ms
ms
s
tRC
max IO
0.13
8
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 0 A
IO
Output current
0
25
35
41
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
Tref = 25ºC,
27
31
37
A
A
See ripple & noise section,
max IO, VOi
VOac
Output ripple & noise
40
80
mVp-p
V
Tref = +25°C, VI = 53 V, 0-100 % of
OVP
Over voltage protection
2.9
3.1
4.0
max IO
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