E
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
2 (6)
Prepared (also subject responsible if other)
EAB/FJB/GM Johan Högberg
2/1301-BMR 659
Technical Specification
Uen
Date
5
PKB
4302NG
PI
EAB/FJB/GM [Magnus Broman]
Intermediate Bus Converters,
Input
38-55
V,
42
A /
300
W
(ESECZHW) 2008-12-08
EN/LZT 146
381
R1C
Dec
2008
Rev
Reference
F
© Ericsson Power Modules AB
9.6 V, 300 W Electrical Specification
PKB 4302NG PI
Minimum and maximum values given at T
P1
= -30 to +100ºC for open frame, -30 to +85ºC for base plate option, V
I
= 38 to 55 V,
P
O
= 0 to 300 W unless otherwise specified under Conditions.
Typical values given at: T
P1
= +25°C, V
I
= 48 V, max P
O
, unless otherwise specified under Conditions.
Additional C
in
= 220
μF.
See Operating Information section for selection of capacitor types.
Characteristics
V
I
V
Ioff
V
Ion
C
I
P
O
η
P
d
P
li
P
RC
f
s
Input voltage range
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Efficiency
Power Dissipation
Input idling power
Input standby power
Switching frequency
Output voltage initial setting and
T
P1
= +25°C, V
I
= 48 V, P
O
= 0 W
accuracy
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
)
Conditions
See Note 1
Decreasing input voltage
Increasing input voltage
min
38
31
33
0
typ
32
34
13
max
55
34
35
300
Unit
V
V
V
μF
W
%
50 % of max P
O
, V
I
= 48 V
max P
O
, V
I
= 48 V
max P
O
P
O
= 0 W, V
I
= 48 V
V
I
= 48 V (turned off with RC)
120
96.8
96.8
10
3
0.07
166
210
17
W
W
W
kHz
V
Oi
9.55
7.2
9.6
9.65
11.0
11.0
V
V
V
V
V
V
μs
ms
ms
m
s
P
O
= 0 W
See Note 2 regarding V
O
0-100 % of max P
O
V
I
= 48 V, Load step 25-75-25 % of
max P
O
, di/dt = 5 A/
μ
s.
See Note 3
7.5
3.4
0.17
0.25
±0.2
10
0.2
6
10
1
50
10
1.5
4
0
0
0
46
52
35
50
62
0.38
±0.4
30
8
12
Start-up time
(from V
I
connection to 90 % of V
Oi
)
(from V
I
off to 10 % of V
O
)
0-100 % of max P
O
2
max P
O
1 % of max P
O
max P
O
max P
O
1 % of max P
O
V
I
= 38 V, see note 4
V
I
= 48 V, see note 4
V
I
= 55 V, see note 4
T
P1
< max T
P1
T
P1
= 25ºC, see Note 5
See ripple & noise section, max P
O
V
I
shut-down fall time
ms
ms
ms
ms
41.5
32.3
28.0
62
A
A
A
A
A
mVp-p
V
RC start-up time
t
RC
RC shut-down fall time
(from RC off to 10 % of V
O
)
I
O
I
lim
I
sc
V
Oac
OVP
Output current
Current limit threshold
Short circuit current
Output ripple & noise
Input over voltage protection
Note 1: Withstands an input voltage of 60 V for 500 ms
Note 2: V
O
= V
I
/5 — load regulation. Example: at V
I
= 48 V and max P
O
, V
O
= 48/5-0.25 = 9.35 V
Note 3: A 3.2 mF output capacitor used at load transient test
Note 4: The maximum output power is limited to 300 W
Note 5: Hiccup characteristics (specified short circuit currents are RMS-values)
ERICSSON [ ERICSSON ]
