E
Approved
Ericsson Internal
PRODUCT SPEC
No.
Checked
Date
6 (9)
Reference
Prepared (also subject responsible if other)
ETORHOL, EKAMAGN, EJANARV
2/1301-BMR 451
Technical Specification
0002 Uen
EN/LZT 146
401
R4B
June
2015
© Ericsson AB
Rev
9
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
3.3 V, 40 A/132 W Electrical Specification
T
P1
= -40 to +85ºC, V
I
= 4.5 to 14 V. Configuration: CDA 102 900/020, R
SET
= 1.21 kΩ.
Typical values given at: T
P1
= +25°C, V
I
= 12 V, max I
O
, unless otherwise specified under Conditions.
Additional C
I
= 470
µF.
See Operating Information section for selection of capacitor types.
Sense pins are connected to the output pins.
Characteristics
V
I
V
Ioff
V
Ion
P
O
η
P
d
P
li
P
RC
I
S
V
Oi
Input voltage range
Turn-off input voltage
Turn-on input voltage
Output power
Efficiency
Power dissipation
Input idling power
Input standby power
I
O
= 0.01 A
Turned off with CTRL, monitoring
enabled, see Note 3
Low power mode, monitoring
disabled, see Note 3
50 % of max I
O
max I
O
94.7
94.1
8.2
2
145
50
6
3.285
0.05 - 100 % of max I
O
I
O
= 0.01 A
0.05 - 100 % of max I
O
Load step 25-75-25 % of max I
O
,
di/dt = 2.5 A/µs with default
configuration and C
O
= 4 mF.
See Note 1
680
10
0.05 - 100 % of max I
O
37
I
O
= 0.4 A
200
25
20
10
I
O
= 0.4 A
0.01
41
See Note 2
48
50
40
25
3.250
3.300
4
3
-100/+180
100
3.300
Decreasing input voltage
Increasing input voltage
Conditions
min
4.5
4.0
4.4
typ
BMR 451 0002/020
max
14
Unit
V
V
V
132
W
%
W
W
mW
mW
A
Static input current
Output voltage initial setting and
accuracy
Output voltage tolerance band
Idling voltage
Line regulation
Load regulation
3.315
3.350
V
V
V
mV
mV
mV
µs
V
O
V
tr1
t
tr1
C
O
t
r
t
s
t
f
Load transient voltage deviation
Load transient recovery time
Ramp-up time
(from 10−90 % of V
Oi
)
Recommended external capacitance See Note 1
100 000
µF
ms
ms
µs
ms
ms
ms
ms
Start-up time
(from V
I
connection to 90 % of V
Oi
)
V
O
shut-down fall time.
CTRL start-up time
(From V
I
off to 10 % of V
O
)
t
CTRL
I
O
I
lim
I
sc
V
Oac
CTRL shut-down fall time
(From CTRL off to 10 % of V
O
)
Output current
Current limit threshold
Short circuit current
Output ripple & noise
40
A
A
A
mVp-p
Note 1: See Operating Information section for External Decoupling Capacitors.
Note 2: See Operating Information section for Output Ripple and Noise.
Note 3: Configurable via PMBus, please contact your local Ericsson Power Modules representative for appropriate SW tools to down-load new configurations.
ERICSSON [ ERICSSON ]
