LTC3633A/LTC3633A-1
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz, L = 1μH
unless otherwise noted.
Load Step (Internal Compensation)
Start-Up (Burst Mode Operation)
Start-Up (Forced Continuous Mode)
V
RUN
2V/DIV
RUN
2V/DIV
OUT
AC-COUPLED
100mV/DIV
V
V
OUT
1V/DIV
OUT
1V/DIV
I
L
I
I
2A/DIV
L
L
2A/DIV
1A/DIV
3633a G19
3633a G20
3633a G21
20μs/DIV
400μs/DIV
400μs/DIV
V
= 1.8V
V
C
LOAD
= 1.8V
V
= 1.8V
OUT
OUT
OUT
SS
I
= 100mA to 3A
= 4.7nF
C
= 4.7nF
LOAD
ITH = INTV
SS
I
= 150mA
I
= 150mA
CC
LOAD
Start-Up into Prebiased Output
(Burst Mode Operation)
Start-Up into Prebiased Output
(Forced Continuous Mode)
RUN
2V/DIV
RUN
2V/DIV
V
OUT
1.8V
V
OUT
1.8V
1V/DIV
1V/DIV
I
I
L
2A/DIV
L
1A/DIV
3633a G22
3633a G22
200μs/DIV
1ms/DIV
I
= 0mA
I
= 0mA
LOAD
LOAD
3633a1f
7
Linear [ Linear ]
