E
Approved
Ericsson Internal
PRODUCT SPEC
No.
Checked
Date
3 (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
6
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 Electrical Specification
T
P1
= -40 to +85ºC, V
I
= 4.5 to 14 V. Configuration: CDA 102 900/020, R
SET
= 19.6 kΩ.
Typical values given at: T
P1
= +25°C, V
I
= 12.0 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
Static input current
Output voltage initial setting and
accuracy
Output voltage tolerance band
Idling voltage
Line regulation
Load regulation
V
tr1
t
tr1
C
O
t
r
t
s
t
f
Load transient voltage deviation
Load transient recovery time
Recommended external capacitance
Ramp-up time
(from 10−90 % of V
Oi
)
BMR 451 0002/020
Conditions
Decreasing input voltage
Increasing input voltage
50 % of max I
O
max I
O
I
O
= 0.01 A
Turned off with CTRL, monitoring
enabled, see Note 3
Low power mode, monitoring
disabled, see Note 3
min
4.5
typ
4.0
4.4
max
14
Unit
V
V
V
40
89.1
86.5
6.2
0.9
145
50
3.9
0.990
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
= 10 mF.
See Note 1
See Note 1
0.05 - 100 % of max I
O
37
I
O
= 2 A
1
50
20
7
I
O
= 2 A
0.01
41
See Note 2
48
50
20
17
40
680
10
0.985
1.000
4
3
-35/+40
200
100 000
1.000
1.010
1.015
W
%
W
W
mW
mW
A
V
V
V
mV
mV
mV
µs
µF
ms
ms
ms
ms
ms
ms
ms
A
A
A
mVp-p
V
O
Start-up time
(from V
I
connection to 90 % of V
Oi
)
(from V
I
off to 10 % of V
O
)
V
O
shut-down fall time
CTRL start-up time
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
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 ]
