Datasheet

LTC3833
5
3833f
TYPICAL PERFORMANCE CHARACTERISTICS
Transient Response: Pulse-
Skipping Mode Load Step: Pulse-Skipping Mode
Load Release: Pulse-Skipping
Mode
Normal Soft Start-Up
Soft Start-Up into
a Pre-Biased Output Output Tracking
Transient Response: Forced
Continuous Mode
Load Step: Forced Continuous
Mode
T
A
= 25°C unless otherwise noted
Load Release: Forced Continuous
Mode
I
LOAD
20A/DIV
V
OUT
50mV/DIV
50µs/DIV
3833 G01
LOAD TRANSIENT = 0A TO 20A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
I
L
20A/DIV
I
LOAD
20A/DIV
V
OUT
50mV/DIV
5µs/DIV
3833 G02
LOAD STEP = 0A TO 20A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
I
L
20A/DIV
I
LOAD
20A/DIV
V
OUT
50mV/DIV
5µs/DIV
3833 G03
LOAD RELEASE = 20A TO 0A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
I
L
20A/DIV
I
LOAD
20A/DIV
V
OUT
50mV/DIV
50µs/DIV
3833 G04
LOAD TRANSIENT = 500mA TO 20A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
I
L
20A/DIV
I
LOAD
20A/DIV
V
OUT
50mV/DIV
5µs/DIV
3833 G05
LOAD STEP = 500mA TO 20A
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
I
L
20A/DIV
I
LOAD
20A/DIV
V
OUT
50mV/DIV
5µs/DIV
3833 G06
LOAD RELEASE = 20A TO 500mA
V
IN
= 12V, V
OUT
= 1.5V
FIGURE 10 CIRCUIT
I
L
20A/DIV
V
IN
5V/DIV
TRACK/SS
200mV/DIV
10ms/DIV
3833 G07
V
IN
= 12V
V
OUT
= 1.5V
FIGURE 10 CIRCUIT
V
OUT
500mV/DIV
RUN
2V/DIV
TRACK/SS
200mV/DIV
10ms/DIV
3833 G08
V
IN
= 12V
V
OUT
= 1.5V
FIGURE 10 CIRCUIT
V
OUT
500mV/DIV
V
OUT
PRE-BIASED TO 0.75V
TRACK/SS
200mV/DIV
10ms/DIV
3833 G09
V
IN
= 12V
V
OUT
= 1.5V
FIGURE 10 CIRCUIT
V
OUT
500mV/DIV