Ericsson Internal
EYINGJI
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/84 Uen
35
Technical Specification
Approved
Checked
Date
Rev
EN/LZT 146 3R9e4feRre5nDce October 2013
PKB 4000 series
SEC/D (Julia You)
EXUEFYA
2008-6-6
A
© Ericsson AB
DC/DC converters, Input 36-75 V, Output 30 A/90 W
15 V/5 A Electrical Specification
PKB 4715 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 = 0 µF and Cout = 0 µF. 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
75
10
W
91.0
92.0
91.5
92.1
6.7
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
2.4
PRC
fs
0.15
195
W
kHz
Output voltage initial setting and
accuracy
VOi
T
ref = +25°C, VI = 53 V
,
IO = 20 A
14.70
15
15.30
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100 % of max IO
12.00
14.55
14.55
16.50
15.45
15.45
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
±400
10
±520
20
mV
µs
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 3 A/µs
Load transient recovery time
Ramp-up time
(from 10−90 % of VOi)
5
4
10
15
ms
10-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
15
80
ms
max IO
IO = 0 A
max IO
0.5
1.5
10
ms
VI shut-down fall time
(from VI off to 10 % of VO)
s
RC start-up time
ms
ms
s
tRC
max IO
0.5
1.5
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 0 A
IO
Output current
0
5
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
5.3
6
6.8
8.5
A
Tref = 25ºC, see Note 1
8.4
A
See ripple & noise section,
max IO, VOi
Tref = +25°C, VI = 53 V, 0-100 % of
max IO
VOac
Output ripple & noise
70
19
150
20
mVp-p
V
OVP
Over voltage protection
18
Note 1: Vo<0.5V
ERICSSON [ ERICSSON ]
