Ericsson Internal
EJUNGYA
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/A4 Uen
5
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 382 R1A June 2007
PKB 4717 PINB
DC/DC converters, Input 36-75 V, Output 10.5 A/75 W
SEC/D (LINDA ZHONG)
2007-5-15
A
© Ericsson Power Modules AB
7.2 V/10.5 A Electrical Specification
PKB 4717 PINB
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 VI max IO, unless otherwise specified under Conditions.
Characteristics
Conditions
min
36
typ
max
Unit
V
VI
Input voltage range
75
35
36
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
30
31
34
3
V
32
V
μF
W
dB
PO
Output voltage initial setting
f = 100 Hz sinewave, 1 Vp-p
50 % of max IO
0
75
SVR
Supply voltage rejection (ac)
66
91.7
90.7
92.0
90.7
7.8
max IO
η
Efficiency
%
50 % of max IO, VI = 48 V
max IO, VI = 48 V
Pd
Pli
Power Dissipation
Input idling power
Input standby power
Switching frequency
max IO
9.8
W
W
IO = 0 A, VI = 53 V
1.7
PRC
fs
VI = 53 V (turned off with RC)
0-100 % of max IO (see Note 1)
0.15
200
W
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 53 V, IO = 10.5 A
7.05
6
7.2
7.35
8
V
V
See operating information (see Note
2)
Output adjust range
Output voltage tolerance band
Idling voltage
10-100 % of max IO
6.98
7.05
7.42
7.35
4
V
V
VO
IO = 0 A
Line regulation
max IO
2
2
mv
mv
Load regulation
VI = 53 V, 0-100 % of max IO
4
Load transient
voltage deviation
Vtr
ttr
tr
±330
100
6.5
mv
μs
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/μs
Load transient recovery time
Ramp-up time
(from 10−90 % of VOi)
11.6
23.5
ms
10-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
9.8
ms
max IO
IO = 0 A
max IO
0.2
2.6
8
ms
s
VI shut-down fall time
(from VI off to 10 % of VO)
RC start-up time
ms
tRC
max IO
0.2
2.6
ms
s
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 0 A
IO
Output current
0
10.5
A
Ilim
Isc
Current limit threshold
Short circuit current
Tref < max Tref
Tref = 25ºC
14
16
A
A
See ripple & noise section,
max IO, VOi
VOac
Output ripple & noise
50
120
11
mVp-p
V
Tref = +25°C, VI = 53 V, 0-100 % of
OVP
Over voltage protection
10
max IO
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 ]
