Ericsson Internal
E
EAB/FJB/GMF Oscar Persson
PRODUCT SPECIFICATION
2 (10)
Prepared (also subject responsible if other)
No.
2/1301 BMR 662 Uen
5
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 420 R2A May 2010
PKB 4000A series Direct Converters
Input 38-72 V, Output up to 30 A / 125 W
EAB/FJB/GMF [Natalie Johansson]
(MICRF)
2010-05-04
B
© Ericsson AB
3.3V, 30A /99W Electrical Specification
PKB 4910A PI
TP1 = -30 to +90ºC, VI = 38 to 72 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1 = +25°C, VI= 53 VI max IO, unless otherwise specified under Conditions.
Additional Cin = 33 µF. See Operating Information section for selection of capacitor types.
Characteristics
Conditions
min
38
typ
max
Unit
V
VI
Input voltage range
72
32
35
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
V
33
V
5.7
µF
W
PO
0
99
14
50 % of max IO
92.4
91.0
92.7
91.0
9.8
max IO
η
Efficiency
%
50 % of max IO, VI = 48 V
max IO, VI = 48 V
max IO
Pd
Pli
PRC
fs
Power Dissipation
Input idling power
Input standby power
Switching frequency
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100 % of max IO
1.8
0.1
W
162
180
198
kHz
Output voltage initial setting and
accuracy
VOi
VO
T
P1 = +25°C, VI = 53 V, IO = 30 A
3.23
3.30
3.37
V
Output adjust range
Output voltage tolerance band
Line regulation
See operating information
0-100 % of max IO
max IO
2.64
3.2
3.63
3.4
V
V
±3
±5
±10
±10
mV
mV
Load regulation
VI = 53 V, 0-100 % of max IO
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/µs
See Note 1
Vtr
ttr
±200
40
±350
mV
µs
Load transient recovery time
Ramp-up time
tr
8
ms
(from 10−90 % of VOi
)
0-100 % of max IO
Start-up time
(from VI connection to 90 % of VOi
ts
tf
12
ms
)
max IO
IO = 0 A
max IO
50
5
µs
VI shut-down fall time
(from VI off to 10 % of VO)
s
RC start-up time
12
ms
µs
s
tRC
max IO
37
5
RC shut-down fall time
(from RC off to 10 % of VO)
I
O = 0 A
IO
Output current
0
30
A
Ilim
Isc
Current limit threshold
Short circuit current
TP1 < max TP1
40
45
A
TP1 = 25ºC, see Note 2
A
Cout
Recommended Capacitive Load TP1 = 25ºC, see Note 3
0
3000
120
µF
See ripple & noise section,
VOac
Output ripple & noise
max IO, VOi
60
mVp-p
V
TP1 = +25°C, VI = 53 V, 0-100 % of
max IO
OVP
Over voltage protection
3.8
4.3
4.8
Note 1: 3000 uF; ESR value 5 mΩ
Note 2: Constant current Vo < 0.5 V
Note 3: See Operating Information Section
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