Ericsson Internal
E
EGUHAIL
PRODUCT SPECIFICATION
2 (26)
Prepared (also subject responsible if other)
No.
2/1301-BMR 655 Uen
5
Technical Specification
Approved
Checked
Date
Rev
EN/LZT 146 3R7e7feRre3nGce
Oct 2008
PKB4000C PI
SEC/D (Julia You)
ESKEVIN
2008-9-23
F
© Ericsson Power Modules AB
DC/DC converters, Input 36-75 V, Output 60A/144W
1.2 V/60 A Electrical Specification
PKB 4718LC PI
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 V, max IO , unless otherwise specified under Conditions.
Characteristics
Conditions
min
36
typ
max
Unit
V
VI
Input voltage range
75
33
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
PO
0
72
W
50 % of max IO
87.5
86
max IO
η
Efficiency
%
50 % of max IO , VI = 48 V
max IO , VI = 48 V
max IO
88
86
Pd
Pli
Power Dissipation
Input idling power
Input standby power
Switching frequency
12.2
2.5
74
15.9
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
PRC
fs
mW
kHz
250
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 53 V, IO = 60 A
1.176
1.2
1.224
V
Output adjust range
Output voltage tolerance band
Idling voltage
See operating information
10-100% of max IO
0.96
1.17
1.17
1.32
1.23
1.23
5
V
V
VO
IO = 0 A
V
Line regulation
max IO
0
0
mV
mV
Load regulation
VI = 53 V, 1-100% of max IO
5
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25 % of
Vtr
ttr
tr
±200
50
mV
µs
max IO, di/dt = 1 A/
µs,
see Note 1
Load transient recovery time
Ramp-up time
(from 10−90 % of VOi)
8
11
18
ms
10-100% of max IO,
Tref = 25ºC, VI = 53 V
Start-up time
(from VI connection to 90% of VOi)
ts
tf
13
ms
max IO
IO = 0 A
max IO
0.1
13
11
ms
Vin shutdown fall time
(from VI off to 10% of VO)
s
RC start-up time
ms
ms
s
tRC
max IO
0.2
8
RC shutdown fall time
(from RC off to 10% of VO)
IO = 0 A
IO
Output current
0
60
81
A
Ilim
Isc
Current limit threshold
Short circuit current
VO = 1.1V, Tref < max Tref
61
65
75
A
Tref = 25ºC, VO < 0.2V, see Note 2
A
See ripple & noise section,
max IO, VOi
VOac
Output ripple & noise
40
120
mVp-p
V
Tref = +25°C, VI = 53 V, 10-100% of
OVP
Over voltage protection
1.56
max IO
Note 1: Output filter according to Ripple & Noise section.
Note 2: RMS current in hiccup mode.
ERICSSON [ ERICSSON ]
