Datasheet

LTC3101
9
3101fb
Buck-Boost Burst Mode Ripple Buck Burst Mode Ripple
Buck-Boost Burst to PWM Mode
Transient
Buck Output Voltage Transient on
USB Hot Plug
Buck-Boost Output Voltage
Transient on USB Hot Plug
Buck-Boost Soft-Start, PWM Mode Buck Soft-Start, PWM Mode
OUTPUT
VOLTAGE
20mV/DIV
INDUCTOR
CURRENT
200mA/DIV
20µs/DIV
3101 G34
V
BAT
= 3V
V
OUT
= 3.3V
L = 4.7µH
C
OUT
= 10µF
I
LOAD
= 10mA
OUTPUT
VOLTAGE
10mV/DIV
INDUCTOR
CURRENT
50mA/DIV
20µs/DIV
3101 G35
V
BAT
= 3V
V
OUT
= 1.2V
L = 4.7µH
C
OUT
= 10µF
C
FF
= 18pF
I
LOAD
= 5mA
OUTPUT
VOLTAGE
200mV/DIV
INDUCTOR
CURRENT
200mA/DIV
V
USB
2V/DIV
100µs/DIV
3101 G37
V
BAT
= 3V
V
OUT
= 1.8V
I
LOAD
= 100mA
OUTPUT
VOLTAGE
200mV/DIV
INDUCTOR
CURRENT
200mA/DIV
V
USB
2V/DIV
100µs/DIV
3101 G38
V
BAT
= 3V
V
OUT
= 3.3V
I
LOAD
= 100mA
OUTPUT
VOLTAGE
1V/DIV
INDUCTOR
CURRENT
200mA/DIV
200µs/DIV
3101 G39
V
BAT
= 3V
V
OUT
= 3.3V
L = 4.7µH
C
OUT
= 10µF
OUTPUT
VOLTAGE
500mV/DIV
INDUCTOR
CURRENT
200mA/DIV
200µs/DIV
3101 G40
V
BAT
= 3V
V
OUT
= 1.2V
L = 4.7µH
C
OUT
= 10µF
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C unless otherwise specifi ed)
V
OUT3
50mV/DIV
V
BAT
= 5.5V
V
OUT3
50mV/DIV
V
BAT
= 3V
V
OUT3
50mV/DIV
V
BAT
= 1.8V
200µs/DIV
3101 G36
V
OUT3
= 3.3V
L = 4.7µH
C
OUT
= 10µF
I
LOAD
= 5mA