Ericsson Internal
E
EMAOLII
PRODUCT SPECIFICATION
6 (21)
Prepared (also subject responsible if other)
No.
2/1301-BMR 454 Uen
10
Technical Specification
BMR454 series Fully regulated InteCrmheckeeddiate Bus Converters
Approved
Date
Rev
Reference
EN/LZT 146 404 R7A March 2013
SEC/D (Julia You)
SECSUND
2011-07-15
F
© Ericsson AB
Input 36-75 V, Output up to 40 A / 240 W
5 V, 38 A / 190 W Electrical Specification
BMR 454 0002/004
TP1 = -40 to +90ºC, VI = 36 to 75 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 Cout = 0.1 mF, Configuration File: 190 10-CDA 102 1900/004 rev A
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
11
34
V
34
36
V
μF
W
PO
0
190
50% of max IO
94.3
93.3
94.5
93.3
13.7
2.6
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
19.1
W
W
IO = 0 A, VI = 53 V
VI = 53 V (turned off with RC)
0-100% of max IO see Note 1
123
180
mW
kHz
171
189
Output voltage initial setting and
accuracy
VOi
VO
TP1 = +25°C, VI = 53 V, IO = 38 A
4.95
5.0
5.05
V
Output adjust range
Output voltage tolerance band
Line regulation
See operating information
0-100% of max IO
3.0
4.9
6.7
5.1
21
V
V
max IO
5
5
mV
mV
Load regulation
VI = 53 V, 0-100% of max IO
18
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
see Note 2
Vtr
ttr
±0.2
250
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
see Note 3
Start-up time
(from VI connection to 90% of VOi)
ts
tf
140
ms
max IO
IO = 0 A
max IO
0.4
3.7
55
ms
s
VI shut-down fall time
(from VI off to 10% of VO)
RC start-up time
ms
tRC
max IO
3
ms
s
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 0 A
3.7
IO
Output current
0
38
49
8
A
Ilim
Isc
Current limit threshold
Short circuit current
VO = 4.5 V, TP1 < max Tref
41
45
7
A
TP1 = 25ºC, VO < 0.2 V, see Note 4
A
Cout
Recommended Capacitive Load TP1 = 25ºC, see Note 5
0.1
3.8
6
mF
See ripple & noise section,
VOac
Output ripple & noise
max IO, VOi
35
75
mVp-p
V
TP1 = +25°C, VI = 53 V, 10-100% of
OVP
Over voltage protection
6.8
max IO, see Note 6
Note 1: Frequency may be adjusted via PMBus, see Operating Information section.
Note 2: Cout = 3.8 mF used at load transient test.
Note 3: Start-up and Ramp-up time can be increased via PMBus, see Operation Information section.
Note 4: RMS current in hiccup mode.
Note 5: Low ESR-value.
Note 6: OVP-level can be adjusted via PMBus, see Operation Information section.
ERICSSON [ ERICSSON ]
