Ericsson Internal
PRODUCT SPECIFICATION
2 (31)
E
Prepared (also subject responsible if other)
No.
ESHUHAN
2/1301-BMR 655 Uen
5
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 377 R4D September 2013
PSKEBC4/D0(0B0eCttysWeur)ies Direct ConvertersEZHEWNG 2009-2-18
Input 36-75 V, Output up to 60 A / 144 W
H
© Ericsson AB
1 V/50 A Electrical Specification
PKB 4518NC PI
Tp1 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: Tp1 = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions.
Characteristics
Conditions
min
36
typ
max
Unit
V
VI
Input voltage range
75
34
36
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
29
31
33
1
V
30
V
μF
W
PO
0
50
50 % of max IO
87
max IO
85.7
87.2
85.8
8.3
η
Efficiency
%
50 % of max IO , VI = 48 V
max IO , VI = 48 V
max IO
Pd
Pli
PRC
fs
Power Dissipation
Input idling power
Input standby power
Switching frequency
11.5
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
2.1
0.07
250
W
kHz
Output voltage initial setting and
accuracy
VOi
Tp1 = +25°C, VI = 53 V, IO = 50 A
0.98
1
1.02
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100% of max IO
IO = 0 A
0.8
1.1
1.03
1.02
5
V
V
0.97
0.98
VO
V
Line regulation
max IO
1
3
mV
mV
Load regulation
VI = 53 V, 1-100% of max IO
10
Load transient
voltage deviation
VI = 53 V, Load step 50-75-50 % of
max IO, di/dt = 1 A/μs,
see Note 2
Vtr
ttr
±50
40
8
mV
µs
Load transient recovery time
Ramp-up time
(from 10−90 % of VOi)
tr
10
15
ms
10-100% of max IO,
Tp1 = 25ºC, VI = 53 V
Start-up time
(from VI connection to 90% of VOi)
ts
tf
12
ms
max IO
IO = 0 A
max IO
0.1
13
11
Ms
S
Vin shutdown fall time
(from VI off to 10% of VO)
RC start-up time
ms
tRC
max IO
0.1
12
ms
S
RC shutdown fall time
(from RC off to 10% of VO)
IO = 0 A
IO
Output current
0
50
61
A
Ilim
Isc
Current limit threshold
Short circuit current
VO = 0.9V, Tp1 < max Tp1
Tp1 = 25ºC, VO < 0.5V
52
56
59
A
A
See ripple & noise section,
max IO, VOi, see Note 3
VOac
Output ripple & noise
20
40
mVp-p
V
Tp1 = +25°C, VI = 53 V, 10-100% of
OVP
Over voltage protection
1.6
max IO
ON/OFF pin Voltage to
guarantee
(only negative logic)
ON
0.8
VRC
see Note 4
V
OFF
2.4
Note 2: 2310uF capacitor in output side.
Note 3: 4*100uF ceramic capacitor in output side.
Note 4: Refer to –In pin.
ERICSSON [ ERICSSON ]
