E
Approved
Ericsson Internal
PRODUCT SPEC
No.
Checked
Date
4 (9)
Reference
Prepared (also subject responsible if other)
ETORHOL, EKAMAGN, EJANARV
2/1301-BMR 451
Technical Specification
0002 Uen
EN/LZT 146
401
R4A
May
2015
© Ericsson AB
Rev
7
BMR
(Julia You)
SEC/D
451 Digital PoL Regulators
ETORHOL
Input
4.5-14
V, Output up to
40
A /
132
W
2010-03-02
E
1.0 V, 40 A/40 W Typical Characteristics
Efficiency
[%]
95
90
85
80
75
70
0
8
16
24
32
40 [A]
4.5 V
5V
12 V
14 V
BMR 451 0002/020
Power Dissipation
[W]
10
8
6
4
2
0
0
8
16
24
32
40 [A]
4.5 V
5V
12 V
14 V
Efficiency vs. load current and input voltage at T
P1
= +25°C.
Dissipated power vs. load current and input voltage at T
P1
= +25°C.
Output Current Derating
[A]
40
30
20
10
0
0
20
40
60
80
100 [°C]
3.0 m/s
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat. Conv.
[A]
40
30
20
10
0
0
20
40
60
80
100 [°C]
3.0 m/s
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat. Conv.
Available load current vs. ambient air temperature and airflow at
V
I
= 5 V. See Thermal Consideration section.
Available load current vs. ambient air temperature and airflow at
V
I
= 12 V. See Thermal Consideration section.
Output Characteristics
[V]
1,02
1,01
1,00
0,99
0,98
0
8
16
24
32
40 [A]
4.5 V
5V
12 V
14 V
Current Limit Characteristics
[V]
1.2
1.0
0.8
0.6
0.4
0.2
0.0
30
35
40
45
50 [A]
4.5 V
5V
12 V
14 V
O
utput voltage vs. load current at T
P1
= +25°C.
O
utput voltage vs. load current at T
P1
= +25°C.
ERICSSON [ ERICSSON ]
