Ericsson Internal
E
EMAOLII
PRODUCT SPECIFICATION
11 (29)
Prepared (also subject responsible if other)
No.
2/1301-BMR 456 Uen
15
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
12.0 V, 35 A / 420 W Electrical Specification
BMR 456 0004/001
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 0314/001
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
420
50% of max IO
96.2
95.5
96.4
95.5
19.8
3.3
max IO
η
Efficiency
%
50% of max IO , VI = 48 V
max IO , VI = 48 V
max IO
Pd
Pli
PRC
fs
Power Dissipation
29.5
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
11.88
12.0
12.12
V
Output adjust range
Output voltage tolerance band
Line regulation
See operating information
0-100% of max IO
4.0
13.2
12.24
55
V
V
11.76
max IO
21
6
mV
mV
Load regulation
VI = 53 V, 0-100% of max IO
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, TP3 = 25ºC, VI = 53 V
Start-up time
(from VI connection to 90% of VOi)
ts
tf
24
ms
max IO
3.6
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
5.1
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
V
TP3
O = 10.8 V, TP1, TP3 < max TP1,
Ilim
Current limit threshold
Short circuit current
37
41
A
Isc
TP1, TP3 = 25ºC, see Note 1
12
A
Cout
Recommended Capacitive Load TP1, TP3 = 25ºC, see Note 2
0.1
3.5
6
mF
See ripple & noise section,
Output ripple & noise
VOac
60
150
mVp-p
max IO , see Note 3
T
P1, TP3 = 25°C, VI = 53 V,
OVP
Over voltage protection
Sink current, see Note 4
Trigger level
15.6
V
mA
V
10-100% of max IO
See operating information
0.7
RC
Decreasing / Increasing RC-
voltage
2.6 / 2.9
Note 1: OCP in hic-up mode
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.