LTC3101
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise specified)
Buck-Boost Burst to PWM Mode
Transient
Buck Output Voltage Transient on
USB Hot Plug
Buck-Boost Output Voltage
Transient on USB Hot Plug
V
OUT3
V
V
USB
USB
50mV/DIV
= 5.5V
2V/DIV
2V/DIV
V
BAT
V
OUT3
INDUCTOR
CURRENT
200mA/DIV
OUTPUT
VOLTAGE
200mV/DIV
INDUCTOR
CURRENT
200mA/DIV
OUTPUT
VOLTAGE
200mV/DIV
50mV/DIV
V
= 3V
BAT
V
50mV/DIV
= 1.8V
OUT3
V
BAT
3101 G38
3101 G37
3101 G36
V
V
I
= 3V
100μs/DIV
V
V
I
= 3V
100μs/DIV
V
= 3.3V
200μs/DIV
BAT
OUT
BAT
OUT
OUT3
= 3.3V
= 100mA
= 1.8V
= 100mA
L = 4.7μH
C
= 10μF
= 5mA
LOAD
LOAD
OUT
I
LOAD
Buck-Boost Soft-Start, PWM Mode
Buck Soft-Start, PWM Mode
OUTPUT
VOLTAGE
1V/DIV
OUTPUT
VOLTAGE
500mV/DIV
INDUCTOR
CURRENT
200mA/DIV
INDUCTOR
CURRENT
200mA/DIV
3101 G39
3101 G40
V
V
= 3V
200μs/DIV
V
V
= 3V
200μs/DIV
BAT
OUT
BAT
OUT
= 3.3V
= 1.2V
L = 4.7μH
L = 4.7μH
C
= 10μF
C
= 10μF
OUT
OUT
3101f
9
Linear [ Linear ]
