E
EGUHAIL
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
6 (26)
Prepared (also subject responsible if other)
2/1301-BMR 655
Technical Specification
Uen
2008-9-23
EN/LZT 146
377
R3G
Rev
Reference
9
PKB4000C PI
SEC/D (Julia You)
DC/DC converters, Input
36-75
V, Output
60A/144W
ESKEVIN
F
Oct
2008
© Ericsson Power Modules AB
1.5 V/60 A Electrical Specification
T
ref
= -40 to +90ºC, V
I
= 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: T
ref
= +25°C, V
I
= 53 V, max I
O
, unless otherwise specified under Conditions.
Characteristics
V
I
V
Ioff
V
Ion
C
I
P
O
Input voltage range
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
50 % of max I
O
η
Efficiency
max I
O
50 % of max I
O
, V
I
= 48 V
max I
O
, V
I
= 48 V
P
d
P
li
P
RC
f
s
Power Dissipation
Input idling power
Input standby power
Switching frequency
max I
O
I
O
= 0 A, V
I
= 53 V
V
I
= 53 V (turned off with RC)
0-100 % of max I
O
0
88
87
88.5
87
14.1
3.2
99
250
Decreasing input voltage
Increasing input voltage
Conditions
min
36
29
30
32
33
1
typ
PKB 4918HC PI
max
75
35
36
90
Unit
V
V
V
µ
F
W
%
15.9
W
W
mW
kHz
V
Oi
Output voltage initial setting and
T
ref
= +25°C, V
I
= 53 V, I
O
= 60 A
accuracy
Output adjust range
Output voltage tolerance band
See operating information
10-100% of max I
O
I
O
= 0 A
max I
O
V
I
= 53 V, 1-100% of max I
O
V
I
= 53 V, Load step 25-75-25 % of
max I
O
, di/dt = 1 A/
µ
s,
see Note 1
10-100% of max I
O,
T
ref
= 25ºC, V
I
= 53 V
max I
O
I
O
= 0.2 A
max I
O
max I
O
I
O
= 0.2 A
1.47
1.20
1.47
1.47
1.5
1.53
1.65
1.53
1.53
V
V
V
V
mV
mV
mV
µs
V
O
Idling voltage
Line regulation
Load regulation
Load transient
voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90 % of V
Oi
)
1
10
±180
110
8
13
21
48
12
10
48
0
5
15
V
tr
t
tr
t
r
t
s
t
f
11
18
ms
ms
µs
ms
ms
µs
ms
Start-up time
(from V
I
connection to 90% of V
Oi
)
Vin shutdown fall time
(from V
I
off to 10% of V
O
)
RC start-up time
t
RC
I
O
I
lim
I
sc
V
Oac
OVP
RC shutdown fall time
(from RC off to 10% of V
O
)
Output current
Current limit threshold
Short circuit current
Output ripple & noise
Over voltage protection
V
O
= 1.4V, T
ref
< max T
ref
T
ref
= 25ºC, V
O
< 0.2V, see Note 2
See ripple & noise section,
max I
O
, V
Oi
T
ref
= +25°C, V
I
= 53 V, 10-100% of
max I
O
60
66
70
40
1.95
120
68
A
A
A
mVp-p
V
64
Note 1: Output filter according to Ripple & Noise section.
Note 2: RMS current in hiccup mode.
ERICSSON [ ERICSSON ]
