E
EMAOLII
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
3 (29)
Prepared (also subject responsible if other)
2/1301-BMR 456
Technical Specification
Uen
Rev
Reference
7
BMR456 series
SEC/D (Julia You)
Fully
regulated Advanced
Bus
Converters
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A /
468
W
1/28701-FGC
101 1823
revD
February
2013
© Ericsson AB
E
9.0 V, 35 A / 315 W Electrical Specification
BMR 456 0004/004
T
P1
, T
P3
= -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
P1
, T
P3
= +25°C, V
I
= 53 V, max I
O
, unless otherwise specified under Conditions.
Additional C
In
= 0.1 mF, C
out
= 3.5 mF, Configuration File: 19010-CDA 102 0314/004
Characteristics
Conditions
min
typ
max
V
I
V
Ioff
V
Ion
C
I
P
O
Input voltage range
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
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
Default switching frequency
Output voltage initial setting and
accuracy
Output adjust range
V
O
Output voltage tolerance band
Line regulation
Load regulation
V
tr
t
tr
t
r
t
s
t
f
Load transient
voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90% of V
Oi
)
Unit
V
V
V
μ
F
36
Decreasing input voltage
Increasing input voltage
32
34
0
95.1
94.3
95.3
94.3
19.0
3.1
0.4
133
140
33
35
18
75
34
36
315
W
%
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
26.4
W
W
W
147
kHz
V
Oi
T
P1
= +25°C, V
I
= 53 V, I
O
= 35 A
See operating information
0-100% of max I
O
max I
O
V
I
= 53 V, 1-100% of max I
O
V
I
= 53 V, Load step 25-75-25% of
max I
O
, di/dt = 1 A/
μ
s
10-100% of max I
O,
T
P1
= 25ºC, V
I
= 53 V
max I
O
,
I
O
= 0 A, C
O
= 0 mF
max I
O
max I
O
I
O
= 0 A, C
O
= 0 mF
8.91
4.0
8.82
9.0
9.09
13.2
9.18
V
V
V
mV
mV
V
µs
ms
ms
m
s
8
25
±0.4
150
8
24
4.5
7
12
4.5
7
0
24
40
Start-up time
(from V
I
connection to 90% of V
Oi
)
Vin shutdown fall time
(from V
I
off to 10% of V
O
)
s
ms
ms
s
35
A
A
A
6
110
mF
mVp-p
V
0.7
mA
V
44
RC start-up time
t
RC
I
O
I
lim
I
sc
C
out
V
Oac
OVP
RC
RC shutdown fall time
(from RC off to 10% of V
O
)
Output current
Current limit threshold
Short circuit current
Recommended Capacitive Load
Output ripple & noise
Over voltage protection
Sink current, see Note 4
Trigger level
V
O
= 8.1 V, T
P1
, T
P3
< max T
P1
, T
P3
T
P1
= 25ºC, see Note 1
T
P1
= 25ºC, see Note 2
See ripple & noise section,
max I
O
, see Note 3
T
P1
, T
P3
= 25°C, V
I
= 53 V,
10-100% of max I
O
See operating information
Decreasing / Increasing RC-voltage
38
0.1
41
8
3.5
50
11.7
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.
ERICSSON [ ERICSSON ]
