Ericsson Internal
E
EMAOLII
PRODUCT SPECIFICATION
3 (29)
Prepared (also subject responsible if other)
No.
2/1301-BMR 456 Uen
7
Technical Specification
BMR456 series Fully regulated AdvCahneckceed d Bus Converters
Approved
Date
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
SEC/D (Julia You)
EZHIXZH
2013-02-06
E
© Ericsson AB
Input 36-75 V, Output up to 39 A / 468 W
9.0 V, 35 A / 315 W Electrical Specification
BMR 456 0004/004
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.5 mF, Configuration File: 19010-CDA 102 0314/004
Characteristics
Conditions
min
36
typ
max
75
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
32
33
35
18
34
V
34
36
V
μF
W
PO
0
315
50% of max IO
95.1
94.3
95.3
94.3
19.0
3.1
max IO
η
Efficiency
%
50% of max IO , VI = 48 V
max IO , VI = 48 V
max IO
Pd
Pli
PRC
fs
Power Dissipation
26.4
W
W
Input idling power
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100% of max IO
Input standby power
Default switching frequency
0.4
W
133
140
147
kHz
Output voltage initial setting and
accuracy
VOi
VO
TP1 = +25°C, VI = 53 V, IO = 35 A
8.91
9.0
9.09
V
Output adjust range
Output voltage tolerance band
Line regulation
See operating information
0-100% of max IO
4.0
13.2
9.18
24
V
8.82
V
max IO
8
mV
mV
Load regulation
VI = 53 V, 1-100% of max IO
25
40
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
Vtr
ttr
±0.4
150
8
V
Load transient recovery time
µs
ms
Ramp-up time
(from 10−90% of VOi)
tr
10-100% of max IO,
TP1 = 25ºC, VI = 53 V
Start-up time
(from VI connection to 90% of VOi)
ts
tf
24
ms
max IO,
4.5
7
ms
s
Vin shutdown fall time
(from VI off to 10% of VO)
IO = 0 A, CO = 0 mF
max IO
RC start-up time
12
ms
tRC
max IO
4.5
7
ms
s
RC shutdown fall time
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
IO
Output current
0
35
44
A
Ilim
Isc
Current limit threshold
Short circuit current
VO = 8.1 V, TP1, TP3 < max TP1, TP3
TP1 = 25ºC, see Note 1
38
41
8
A
A
Cout
Recommended Capacitive Load TP1 = 25ºC, see Note 2
0.1
3.5
6
mF
See ripple & noise section,
Output ripple & noise
VOac
50
110
mVp-p
V
max IO, see Note 3
TP1, TP3 = 25°C, VI = 53 V,
OVP
Over voltage protection
11.7
10-100% of max IO
Sink current, see Note 4
Trigger level
See operating information
Decreasing / Increasing RC-voltage
0.7
mA
V
RC
2.6 / 2.9
Note 1: OCP in hic-up mode, RMS value.
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
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