Ericsson Internal
ESECZHW
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/E4 Uen
5
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 394 R5A August 2009
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
SEC/D (Betty Wu)
EZYPING
2009-8-5
A
© Ericsson AB
1.0 V/30 A Electrical Specification
PKB 4318N 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
31
34
32
33
35
V
2.65
μF
W
PO
Output voltage initial setting
50 % of max IO
0
30
85.1
81.6
85.3
81.3
6.9
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
8.3
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
1
PRC
fs
0.12
170
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 53 V, IO = 30 A
0.97
1.00
1.03
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100 % of max IO
IO = 0 A
0.90
0.96
0.96
1.10
1.04
1.04
10
V
V
VO
V
Line regulation
max IO
0.2
3
mV
mV
Load regulation
VI = 53 V, 0-100 % of max IO
10
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/μs
see Note 1
Vtr
ttr
tr
±120
40
±250
160
2
mV
μs
Load transient recovery time
Ramp-up time
(from 10−90 % of VOi)
0.1
1
0.5
ms
10-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
2.4
7
ms
max IO
IO = 0 A
max IO
0.06
8.1
ms
s
VI shut-down fall time
(from VI off to 10 % of VO)
RC start-up time
2.1
ms
tRC
max IO
0.06
9.1
ms
s
RC shut-down fall time
(from RCoff to 10 % of VO)
IO = 0 A
IO
Output current
0
30
38
41
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
31
36
A
Tref = 25ºC, see Note 2
38.5
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
1.15
1.3
1.6
max IO
Note 1: (Cout used at load transient test; 15*470uF Polymer+1*470uF electrolytic)
Note 2: See Operating Information section.
ERICSSON [ ERICSSON ]
