E
EMAOLII
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
5 (21)
Prepared (also subject responsible if other)
2/1301-BMR 454
Technical Specification
Uen
Rev
Reference
9
EN/LZT 146
404
R7A
March
2013
BMR454 series
SEC/D (Julia You)
Fully regulated Intermediate Bus Converters
F
SECSUND
2011-07-15
Input 36-75 V, Output up to
40
A / 240 W
© Ericsson AB
3.3 V, 40 A / 132 W Electrical Specification
Output Characteristics
[V]
3,40
3,36
3,32
3,28
3,24
3,20
0
1
0
20
30
40 [A ]
36 V
48 V
53 V
75 V
BMR 454 0002/003
Current Limit Characteristics
[V]
4,00
3,00
36 V
2,00
48 V
53 V
75 V
1,00
0,00
40
42
44
46
48
50 [A]
O
utput voltage vs. load current at T
ref
= +25°C
O
utput voltage vs. load current at I
O
> max I
O
, T
ref
= +25°C
Start-up
Shut-down
Start-up enabled by connecting V
I
at:
T
ref
= +25°C, V
I
= 53 V,
I
O
= 40 A resistive load.
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (50 ms/div.).
Shut-down enabled by disconnecting V
I
at:
T
ref
= +25°C, V
I
= 53 V,
I
O
=40 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (0.5 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
T
ref
= +25°C, V
I
= 53 V,
I
O
= 40 A resistive load.
Trace: output voltage (10 mV/div.).
Time scale: (5 µs/div.).
Output voltage response to load current step- Top trace: output voltage (0.2 V/div.).
change (10 - 30 - 10 A) at:
Bottom trace: output current (20 A/div.).
T
ref
=+25°C, V
I
= 53 V. Co = 4 mF
Time scale: (0.5 ms/div.).
ERICSSON [ ERICSSON ]
