Ericsson Internal
EZYPING
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/34 Uen
26
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 394 R5D October 2013
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
SEC/D (Betty Wu)
ESECZHW
2009-2-9
B
© Ericsson AB
5.0 V/15 A Electrical Specification
PKB4711 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
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
29.9
33.2
31.0
34.2
2.65
32.2
35.0
V
V
μF
W
PO
Output voltage initial setting
50 % of max IO
0
75
90.5
89.9
90.9
89.9
8.5
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
10.9
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
2.2
PRC
fs
0.125
198
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 53 V, IO = 15 A
4.90
5.0
5.10
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100 % of max IO
IO = 0 A
4.00
4.97
4.97
5.50
5.14
5.14
3.1
V
V
VO
V
Line regulation
max IO
1
1
mV
mV
Load regulation
VI = 53 V, 0-100 % of max IO
2.7
Load transient
voltage deviation
Vtr
ttr
tr
±300
25
490
50
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)
7
10
12
ms
10-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
10
12
14
ms
max IO
IO = 0 A
max IO
0.12
4.2
0.14
4.5
10
0.16
5.2
ms
s
VI shut-down fall time
(from VI off to 10 % of VO)
RC start-up time
ms
tRC
max IO
0.13
4.5
ms
s
RC shut-down fall time
(from RCoff to 10 % of VO)
IO = 0 A
IO
Output current
0
6
15
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
Tref = 25ºC,
19
22
A
25
80
A
See ripple & noise section,
max IO, VOi
VOac
Output ripple & noise
50
mVp-p
V
Tref = +25°C, VI = 53 V, 0-100 % of
OVP
Over voltage protection
7
max IO
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