Performance Summary - Analog Devices Linear LT3383 Demo Manual

DEMO MANUAL DC2984A

PERFORMANCE SUMMARY

100
BUCK3
90
80
70
60
50
40
30
20
10
0
0.0
BUCK3-BUCK4 Load Transient Response
V
OUT
200mV/DIV
V
OUT
200mV/DIV
100mA
I
OUT
1A/DIV
4
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BUCK1-BUCK4 Efficiency
BUCK4
BUCK2
BUCK1
0.5 1.0 1.5 2.0 2.5
LOAD CURRENT (A)
DC2984A G01
BUCK4
BUCK3
1.5A
50µs/DIV
V
LDO3
V
LDO1
V
BUCK4
V
LDO2
V
BUCK1
V
BUCK3
V
BUCK2
V
PWR_ON
Specifications are at T = 25°C
A
V
200mV/DIV
V
200mV/DIV
I
1A/DIV
V
50mV/DIV
V
50mV/DIV
V
50mV/DIV
V
200mA/DIV
DC2984A G02
Default Regulators Power-Up Sequencing
500µs/DIV
BUCK1-BUCK2 Load Transient Response
BUCK4
OUT
BUCK3
OUT
1.5A
100mA
OUT
50µs/DIV
LDO1-LDO3 Load Transient Response
LDO3
OUT
LDO2
OUT
LDO1
OUT
300mA
5mA
OUT
50µs/DIV
DC2984A G05
DC2984A G02
DC2984A G04
Rev. 0