Datasheet

LTC3626
7
3626f
TYPICAL PERFORMANCE CHARACTERISTICS
Output Tracking
Start-Up from Shutdown
(Burst Mode Operation)
Load Step
(Burst Mode Operation)
Start-Up from Shutdown (Forced
Continuous Mode Operation)
Load Step (Forced Continuous
Mode Operation)
Load Regulation
Output Voltage vs Time
(Burst Mode Operation)
Output Voltage vs Time (Forced
Continuous Mode Operation)
I
LOAD
(A)
0
∆V
OUT
/V
OUT
(%)
0.2
0.6
1.0
2
3626 G17
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
0.5
1
1.5
2.5
Burst Mode OPERATION
FORCED CONTINUOUS
V
SW
5V/DIV
V
OUT
20mV/DIV
I
L
1A/DIV
4µs/DIV
3626 G18
V
OUT
= 1.8V
I
LOAD
= 100mA
V
SW
5V/DIV
V
OUT
20mV/DIV
I
L
1A/DIV
2µs/DIV
3626 G19
V
OUT
= 1.8V
I
LOAD
= 100mA
2ms/DIV
3626 G20
V
OUT
= 1.8V
I
LOAD
= 200mA
V
FB
V
OUT
TRACK/SS
1V/DIV
500mV/DIV
RUN
2V/DIV
V
OUT
1V/DIV
I
L
1A/DIV
200µs/DIV
3626 G21
V
OUT
= 1.8V
I
LOAD
= 200mA
C
SS
= 2.2nF
RUN
2V/DIV
V
OUT
1V/DIV
I
L
1A/DIV
200µs/DIV
3626 G22
V
OUT
= 1.8V
I
LOAD
= 200mA
C
SS
= 2.2nF
V
OUT
100mV/DIV
AC-COUPLED
I
L
2.5A/DIV
20µs/DIV
3626 G23
V
OUT
= 1.8V
C
OUT
= 47µF
I
LOAD
= 100mA TO 2.5A
I
TH
= INTV
CC
V
OUT
100mV/DIV
AC-COUPLED
I
L
2.5A/DIV
20µs/DIV
3626 G24
V
OUT
= 1.8V
C
OUT
= 47µF
I
LOAD
= 100mA TO 2.5A
I
TH
= INTV
CC
T
A
= 25°C, PV
IN
= SV
IN
= 12V, f = 1MHz unless otherwise noted.