LTC3534
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
VOUT Ripple at 300mA Load
Load Transient Response in Fixed
Frequency Mode, No-Load to
300mA
VIN = 5V
VIN = 3.6V
VIN = 6.4V
1µs/DIV
VOUT = 5V, AC-COUPLED
20mV/DIV
COUT = 22µF
ILOAD = 300mA
3534 G17
VOUT = 100mV/DIV
ILOAD = 100mA/DIV
100µs/DIV
VIN = VOUT = 5V
ILOAD = 0 TO 300mA
COUT = 22µF
X5R CERAMIC
3534 G18
Burst Mode Operation VOUT
Ripple at 25mA Load
VOUT = 50mV/DIV
INDUCTOR CURRENT
= 200mA/DIV
VIN = VOUT = 5V
COUT = 22µF
X5R CERAMIC
10µs/DIV
3534 G19
Transition from Burst Mode
Operation to Fixed Frequency
Mode
VOUT = 50mV/DIV
PWM = 2V/DIV
VIN = VOUT = 5V
ILOAD = 25mA
COUT = 22µF
X5R CERAMIC
100µs/DIV
3534 G20
VOUT Start-Up
VOUT = 2V/DIV
RUN/SS = 1V/DIV
(STARTS AT 1V)
INDUCTOR CURRENT =
500mA/DIV PWM OPERATION MUST BE COMMANDED
500µs/DIV
3534 G21
ILOAD = 100mA
3534fb
6
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