E
EMAOLII
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
5 (29)
Prepared (also subject responsible if other)
2/1301-BMR 456
Technical Specification
Uen
Rev
Reference
9
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
T
ypical Characteristics
9.0 V, 35 A / 315 W
Start-up
Shut-down
BMR 456 0004/004
Start-up enabled by connecting V
I
at:
T
P1
, T
P3
= +25°C, V
I
= 53 V,
I
O
= 35 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting V
I
at:
T
P1
, T
P3
= +25°C, V
I
= 53 V,
I
O
=35 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
T
P1
, T
P3
= +25°C, V
I
= 53 V,
I
O
= 35 A resistive load.
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current
step-change (8.75-26.25-8.75 A) at:
T
P1
, T
P3
=+25°C, V
I
= 53 V, C
O
= 3.5 mF.
Top trace: output voltage (0.2 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
Input Voltage Transient Response
Output voltage response to input voltage
transient at:
T
P1
, T
P3
= +25°C, V
I
= 36-75 V,
I
O
= 35 A resistive load, C
O
= 3.5 mF
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: (0.5 ms/div.).
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