E
EANDKUL
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
5 (9)
Prepared (also subject responsible if other)
2/1301-BMR 453
Technical Specification
Uen
2008-06-18
EN/LZT
146 395 R1B September 2008
Rev
Reference
8
BMR 453
EAB/FJB/GKF (Natalie Johansson)
DC/DC Converters, Input 36-75 V, Output 33 A/400 W
(MICJMAL)
A
© Ericsson AB
9.0V, 33A / 300W Electrical Specification
Output Characteristics
[V]
9.10
9.06
9.02
8.98
8.94
8.90
0
5
10
15
20
25
30
[A]
36 V
48 V
53 V
75 V
BMR 453 xxxx/002
Current Limit Characteristics
[V]
1
0.00
9.00
8.00
7.00
6.00
5.00
4.00
3.00
33
35
37
39
41
43
45 [A ]
36 V
53 V
75 V
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 Start-up
Shut-down
Start-up enabled by connecting V
I
at:
T
ref
= +25°C, V
I
= 53 V,
I
O
= 33 A resistive load.
Top trace: output voltage (5 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
=33 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (0.2 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
T
ref
= +25°C, V
I
= 53 V,
I
O
= 33 A resistive load.
Trace: output voltage (50mV/div.).
Time scale: (5 µs/div.).
Output voltage response to load current step- Top trace: output voltage (0.5 V/div.).
change (8.25-24.75-8.25 A) at:
Bottom trace: output current (10A/div.).
T
ref
=+25°C, V
I
= 53 V.
Time scale: (0.5 ms/div.).
ERICSSON [ ERICSSON ]
