Ericsson Internal
EZYPING
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 04/14 Uen
23
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
3.3 V/25 A Electrical Specification
PKB 4810 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
75
Unit
VI
Input voltage range
V
V
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
30
30.9
34.1
3.35
32
33
35
V
μF
W
PO
Output voltage initial setting
50 % of max IO
0
82.5
91.5
89.6
91.7
89.4
9.6
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
12
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
1.6
PRC
fs
0.12
166
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 53 V, IO = 25 A
3.23
3.30
3.37
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100 % of max IO
IO = 0 A
2.64
3.20
3.20
3.63
3.40
3.40
10
V
V
VO
V
Line regulation
max IO
0.3
3
mV
mV
Load regulation
VI = 53 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±265
35
±500
130
30
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)
2
7
9
ms
10-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
12
60
ms
max IO
IO = 0 A
max IO
0.06
6.2
12
ms
s
VI shut-down fall time
(from VI off to 10 % of VO)
RC start-up time
ms
tRC
max IO
0.05
6.6
ms
s
RC shut-down fall time
(from RCoff to 10 % of VO)
IO = 0 A
IO
Output current
0
25
36
39
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
26
31
35
A
Tref = 25ºC, see Note 1
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
3.7
4.1
4.7
max IO
Note 1: See Operating Information section.