E
ESHUHAN
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
2 (26)
Prepared (also subject responsible if other)
2/1301-BMR 655
Technical Specification
Uen
2009-2-18
EN/LZT 146
377
R3J
June
2012
© Ericsson AB
Rev
Reference
5
PKB4000C series
Direct
Converters
SEC/D (Betty Wu)
EZHEWNG
Input
36-75
V, Output up to
60
A /
144
W
H
1.2 V/60 A Electrical Specification
T
p1
= -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
p1
= +25°C, V
I
= 53 V, max I
O
, unless otherwise specified under Conditions.
Characteristics
Conditions
min
typ
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
Output voltage initial setting and
accuracy
Output adjust range
Output voltage tolerance band
V
O
Idling voltage
Line regulation
Load regulation
V
tr
t
tr
t
r
t
s
t
f
Load transient
voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90 % of V
Oi
)
PKB 4718LC PI
max
75
33
36
72
Unit
V
V
V
μ
F
36
Decreasing input voltage
Increasing input voltage
29
30
0
87.5
86
88
86
12.2
2.5
74
250
31
33
1
W
%
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
15.9
W
W
mW
kHz
V
Oi
T
p1
= +25°C, V
I
= 53 V, I
O
= 60 A
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
p1
= 25ºC, V
I
= 53 V
max I
O
I
O
= 0 A
max I
O
max I
O
I
O
= 0 A
1.176
0.96
1.17
1.17
1.2
1.224
1.32
1.23
1.23
V
V
V
V
mV
mV
mV
µs
0
0
±200
50
8
13
0.1
13
11
0.2
8
0
5
5
11
18
ms
ms
m
s
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
)
s
ms
ms
s
60
A
A
A
120
mVp-p
V
81
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
= 1.1V, T
p1
< max T
p1
T
p1
= 25ºC, V
O
< 0.2V, see Note 2
See ripple & noise section,
max I
O
, V
Oi
T
p1
= +25°C, V
I
= 53 V, 10-100% of
max I
O
61
65
75
40
1.56
Note 1: Output filter according to Ripple & Noise section.
Note 2: RMS current in hiccup mode.
ERICSSON [ ERICSSON ]
