Datasheet

LTC3612
6
3612fb
For more information www.linear.com/LTC3612
Sinking Current
Load Step Transient in Forced
Continuous Mode without AVP Mode
Load Step Transient in Forced
Continuous Mode with AVP Mode
Load Step Transient in Forced
Continuous Mode Sourcing and
Sinking Current
V
OUT
200mV/DIV
I
L
1A/DIV
50µs/DIV
3612 G13
V
OUT
= 1.8V
I
LOAD
= 100mA TO 3A
V
MODE
= 1.5V
COMPENSATION FIGURE 1
V
OUT
100mV/DIV
I
L
1A/DIV
50µs/DIV
3612 G14
V
OUT
= 1.8V
I
LOAD
= 100mA TO 3A
V
MODE
= 1.5V
V
ITH
= V
IN
OUTPUT CAPACITOR VALUE FIGURE 1
V
OUT
200mV/DIV
I
L
2A/DIV
0A
50µs/DIV
3612 G15
V
OUT
= 1.8V
I
LOAD
= –1.5A TO 3A
V
MODE
= 1.5V
COMPENSATION FIGURE 1
V
OUT
20mV/DIV
SW
2V/DIV
I
L
500mA/DIV
1µs/DIV
3612 G16
V
OUT
= 1.2V
I
OUT
= –1A
V
MODE
= 1.5V
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 3.3V, RT/SYNC = SV
IN
, unless otherwise noted.
Load Step Transient in
Pulse-Skipping Mode
Load Step Transient in
Burst Mode Operation
V
OUT
200mV/DIV
I
L
1A/DIV
50µs/DIV
3612 G11
V
OUT
= 1.8V
I
LOAD
= 100mA TO 3A
V
MODE
= 3.3V
COMPENSATION FIGURE 1
V
OUT
200mV/DIV
I
L
1A/DIV
50µs/DIV
3612 G12
V
OUT
= 1.8V
I
LOAD
= 100mA TO 3A
V
MODE
= 0V
COMPENSATION FIGURE 1
Pulse-Skipping Mode Operation
Forced Continuous Mode Operation
V
OUT
20mV/DIV
I
L
500mA/DIV
20µs/DIV
3612 G09
V
OUT
= 1.8V
I
OUT
= 75mA
V
MODE
= 3.3V
V
OUT
20mV/DIV
I
L
200mA/DIV
1µs/DIV
3612 G10
V
OUT
= 1.8V
I
OUT
= 100mA
V
MODE
= 1.5V