Datasheet

LTC3534
6
3534fb
For more information www.linear.com/LTC3534
Typical perForMance characTerisTics
Load Transient Response in Fixed
Frequency Mode, No-Load to
300mA
Burst Mode Operation V
OUT
Ripple at 25mA Load
Transition from Burst Mode
Operation to Fixed Frequency
Mode
V
OUT
Start-Up
V
OUT
= 100mV/DIV
I
LOAD
= 100mA/DIV
100µs/DIV
V
IN
= V
OUT
= 5V
I
LOAD
= 0 TO 300mA
C
OUT
= 22µF
X5R CERAMIC
3534 G18
V
OUT
= 50mV/DIV
INDUCTOR CURRENT
= 200mA/DIV
10µs/DIV
V
IN
= V
OUT
= 5V
C
OUT
= 22µF
X5R CERAMIC
3534 G19
V
OUT
= 50mV/DIV
PWM = 2V/DIV
100µs/DIV
V
IN
= V
OUT
= 5V
I
LOAD
= 25mA
C
OUT
= 22µF
X5R CERAMIC
3534 G20
V
OUT
= 2V/DIV
RUN/SS = 1V/DIV
(STARTS AT 1V)
INDUCTOR CURRENT =
500mA/DIV
500µs/DIV
I
LOAD
= 100mA
3534 G21
PWM OPERATION MUST BE COMMANDED
V
OUT
Ripple at 300mA Load
V
IN
= 5V
V
IN
= 3.6V
V
IN
= 6.4V
1µs/DIV
V
OUT
= 5V, AC-COUPLED
20mV/DIV
C
OUT
= 22µF
I
LOAD
= 300mA
3534 G17
T
A
= 25°C, unless otherwise noted.