Datasheet

LTC3112
8
3112fc
For more information www.linear.com/LTC3112
Typical perForMance characTerisTics
T
A
= 25°C, V
IN
= 5.0V, V
OUT
= 5.0V unless otherwise specified
3112 G31
V
OUT
100mV/DIV
INDUCTOR
CURRENT
500mA/DIV
20µs/DIV
100mA LOAD
C
OUT
= 47µF
3112 G32
V
OUT
50mV/DIV
INDUCTOR
CURRENT
1A/DIV
1µs/DIV
12.0V
IN
TO 5.0V
OUT
1A LOAD C
OUT
= 47µF
3112 G33
V
IN
2V/DIV
V
OUT
2V/DIV
INDUCTOR
CURRENT
1A/DIV
1ms/DIV
I
L
1A/DIV
3112 G34
PWM/SYNC
5V/DIV
INDUCTOR
CURRENT
500mA/DIV
10µs/DIV
3112 G36
SW2
5V/DIV
SW1
5V/DIV
INDUCTOR
CURRENT
1A/DIV
500ns/DIV
I
LOAD
= 2A
750kHz
3112 G37
V
OUT
2V/DIV
V
OUT
SHORTED
INDUCTOR
CURRENT
5A/DIV
200µs/DIV
V
IN
= 5V
3112 G38
V
CC
5V/DIV
V
OUT
2V/DIV
INDUCTOR
CURRENT
1A/DIV
500µs/DIV
V
CC
SHORTED
V
OUT
SOFT-STARTS
12V
IN
to 5V
OUT
Burst Mode Operation Waveforms PWM V
OUT
Ripple
7.5V
IN
to 5.0V
OUT
Soft-Start
Waveforms
1500kHz SYNC Signal Capture
and Release
12V
IN
to 5.0V
OUT
SW1
and SW2 Waveforms
V
OUT
Short Circuit Response
V
CC
Short Circuit Recovery