LTC3613
TYPICAL PERFORMANCE CHARACTERISTICS
Transient Response:
Forced Continuous Mode
V
OUT
100mV/DIV
I
L
10A/DIV
T
A
= 25°C unless otherwise noted
Load Release:
Forced Continuous Mode
V
OUT
100mV/DIV
I
L
10A/DIV
I
LOAD
10A/DIV
Load Step:
Forced Continuous Mode
V
OUT
100mV/DIV
I
L
10A/DIV
I
LOAD
10A/DIV
40μs/DIV
LOAD TRANSIENT = 0A TO 15A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G01
I
LOAD
10A/DIV
10μs/DIV
LOAD STEP = 0A TO 15A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G02
10μs/DIV
LOAD RELEASE = 15A TO 0A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G03
Transient Response:
Pulse-Skipping Mode
V
OUT
100mV/DIV
I
L
10A/DIV
I
LOAD
10A/DIV
Load Step: Pulse-Skipping Mode
V
OUT
100mV/DIV
I
L
10A/DIV
I
LOAD
10A/DIV
10μs/DIV
LOAD STEP = 500mA TO 15A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G05
Load Release:
Pulse-Skipping Mode
V
OUT
100mV/DIV
I
L
10A/DIV
I
LOAD
10A/DIV
40μs/DIV
LOAD TRANSIENT = 500mA TO 15A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G04
10μs/DIV
LOAD RELEASE = 15A TO 500mA
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G06
Normal Soft Start-Up
Soft Start-Up into
a Pre-Biased Output
Output Tracking
V
IN
5V/DIV
TRACK/SS
500mV/DIV
V
OUT
1V/DIV
4ms/DIV
V
IN
= 12V
V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G07
V
IN
5V/DIV
TRACK/SS
500mV/DIV
V
OUT
1V/DIV
V
OUT
PRE-BIASED TO 0.75V
2ms/DIV
V
IN
= 12V
V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G08
TRACK/SS
500mV/DIV
V
OUT
1V/DIV
V
IN
= 12V
10ms/DIV
V
OUT
= 1.5V
FIGURE 10 CIRCUIT
3613 G09
3613fa
5
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
