E
EJUNGYA
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
2 (5)
Prepared (also subject responsible if other)
2/1301-BMR 636
Technical Specification
01/A4 Uen
2007-5-15
EN/LZT 146
382 R1A June
2007
Rev
Reference
5
PKB
4717 PINB
SEC/D (LINDA ZHONG)
DC/DC converters,
Input
36-75
V, Output
10.5
A/75 W
A
© Ericsson Power Modules AB
7.2 V/10.5 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
I
max I
O
, unless otherwise specified under Conditions.
Characteristics
V
I
V
Ioff
V
Ion
C
I
P
O
SVR
Input voltage range
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Supply voltage rejection (ac)
Output voltage initial setting
f = 100 Hz sinewave, 1 Vp-p
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
(see Note 1)
0
66
91.7
90.7
92.0
90.7
7.8
1.7
0.15
200
Decreasing input voltage
Increasing input voltage
Conditions
min
36
30
32
31
34
3
typ
PKB 4717 PINB
max
75
35
36
75
Unit
V
V
V
μ
F
W
dB
%
9.8
W
W
W
kHz
V
Oi
Output voltage initial setting and
T
ref
= +25°C, V
I
= 53 V, I
O
= 10.5 A
accuracy
See operating information (see Note
Output adjust range
2)
Output voltage tolerance band
10-100 % of max I
O
I
O
= 0 A
max I
O
V
I
= 53 V, 0-100 % of max I
O
V
I
= 53 V, Load step 25-75-25 % of
max I
O
, di/dt = 1 A/
μ
s
Idling voltage
Line regulation
Load regulation
Load transient
voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90 % of V
Oi
)
7.05
6
6.98
7.05
7.2
7.35
8
7.42
7.35
V
V
V
V
mv
mv
mv
μs
V
O
2
2
±330
100
6.5
4
4
V
tr
t
tr
t
r
t
s
t
f
11.6
23.5
ms
ms
m
s
Start-up time
(from V
I
connection to 90 % of V
Oi
)
(from V
I
off to 10 % of V
O
)
10-100 % of max I
O
9.8
max I
O
I
O
= 0 A
max I
O
max I
O
I
O
= 0 A
0
T
ref
< max T
ref
T
ref
= 25ºC
See ripple & noise section,
max I
O
, V
Oi
T
ref
= +25°C, V
I
= 53 V, 0-100 % of
max I
O
14
16
50
10
120
11
0.2
2.6
8
0.2
2.6
10.5
V
I
shut-down fall time
s
ms
ms
s
A
A
A
mVp-p
V
RC start-up time
t
RC
I
O
I
lim
I
sc
V
Oac
OVP
RC shut-down fall time
(from RC off to 10 % of V
O
)
Output current
Current limit threshold
Short circuit current
Output ripple & noise
Over voltage protection
Note 1: Frequency may be adjusted with RT-pin. See Operating Information section.
Note 2: When input voltage is 36 V and output is trimmed up to 8V, output current can only be 20%~50% Max Io
.
ERICSSON [ ERICSSON ]
