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Prepared (also subject responsible if other)
EAB/FJB/GM QLAANDR
Approved
EAB/FJB/GM (Ksenia Harrisen)
BMR46 series PoL Regulators
BMR46 series PoL Regulators
Input 4.5-14 V, Output up to 50 A / 165 W
Input 4.5-14 V, Output up to 50 A / 165 W
Typical Characteristics
Load Transient
Load Transient vs. External Capacitance, V
[mV]
250
200
150
100
50
0
0
1
2
Load transient peak voltage deviation vs. external capacitance.
Step-change (10-30-10 A). Parallel coupling of capacitors with 470 µF/10 mΩ,
T
= +25 °C, V
= 12 V, V
= 1.0 V, f
P1
I
O
Load transient vs. Switch Frequency
[mV]
300
250
200
150
100
50
200
300
400
Load transient peak voltage deviation vs. frequency.
Step-change (10-30-10 A).
T
= +25 °C, V
= 12 V, V
= 1.0 V, C
P1
I
O
Note: In the load transient graphs, the worst-case scenario (load step 30-10 A) has been
considered.
Checked
(MICRF)
= 1.0 V
O
Default
PID/NLR
Opt. PID, No
NLR
Default PID,
Opt. NLR
Opt. PID/NLR
3
4
5
[mF]
= 320 kHz, di/dt = 2 A/µs
sw
Default
PID/NLR
Opt. PID,
No NLR
Default PID,
Opt. NLR
Opt.
PID/NLR
500
600
[kHz]
= 470 µF/10 mΩ
O
Ericsson Internal
PRODUCT SPECIFICATION
No.
2/1301-BMR 464 Uen
Technical Specification
Technical Specification
Date
Rev
2014-05-02
C
1/28701-BMR 464 Rev.B
1/28701-BMR 464 Rev.B
© Flex
© Flex
BMR 464 0002, BMR 464 1002
Load Transient vs. External Capacitance, V
[mV]
250
200
150
100
50
0
0
1
2
3
Load transient peak voltage deviation vs. external capacitance.
Step-change (10-30-10 A). Parallel coupling of capacitors with 470 µF/10 mΩ,
T
= +25 °C, V
= 12 V, V
= 3.3 V, f
P1
I
O
Output Load Transient Response, Default PID/NLR
Output voltage response to load
current step-change (10-30-10 A) at:
T
= +25 °C, V
= 12 V, V
= 1.0 V
P1
I
O
di/dt = 2 A/µs, f
= 320 kHz,
sw
C
= 470 µF/10 mΩ
O
7 (21)
Reference
July 2019
July 2019
= 3.3 V
O
Default
PID/NLR
Opt. PID, No
NLR
Default PID,
Opt. NLR
Opt. PID/NLR
4
5
[mF]
= 320 kHz, di/dt = 2 A/µs
sw
Top trace: output voltage (200 mV/div.).
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
10
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