Datasheet

LTC3101
8
3101fb
PBSTAT Deglitch Duration
PBSTAT Deglitch Duration
Buck-Boost Load Step,
0mA to 800mA
Buck-Boost Load Step,
0mA to 300mA
Buck Load Step, Burst Mode
Operation, 10mA to 350mA
Buck Load Step, PWM Mode,
35mA to 350mA
TEMPERATURE (°C)
–50
10
DEGLITCH DURATION (ms)
12
16
18
20
30
24
0
50
3101 G28
14
26
28
22
100
150
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
DEGLITCH DURATION (ms)
23
24
25
5
3101 G29
22
21
20
2
3
4
6
OUTPUT
VOLTAGE
200mV/DIV
INDUCTOR
CURRENT
500mA/DIV
50µs/DIV
3101 G30
V
BAT
= 3V
V
OUT
= 3.3V
L = 4.7µH
C
OUT
= 10µF
OUTPUT
VOLTAGE
200mV/DIV
INDUCTOR
CURRENT
500mA/DIV
50µs/DIV
3101 G31
V
BAT
= 1.8V
V
OUT
= 3.3V
L = 4.7µH
C
OUT
= 10µF
OUTPUT
VOLTAGE
100mV/DIV
INDUCTOR
CURRENT
200mA/DIV
50µs/DIV
3101 G32
V
BAT
= 3V
V
OUT
= 1.2V
L = 4.7µH
C
OUT
= 10µF
C
FF
= 18pF
OUTPUT
VOLTAGE
100mV/DIV
INDUCTOR
CURRENT
200mA/DIV
50µs/DIV
3101 G33
V
BAT
= 3V
V
OUT
= 1.2V
L = 4.7µH
C
OUT
= 10µF
C
FF
= 18pF
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C unless otherwise specifi ed)
V
BAT
(V)
1.5
REVERSE USB CURRENT (µA)
15
20
25
4.5
3101 G41
10
0
5
–5
2.5 3.5
5.5
PWM
MODE,
V
USB
= 0V
V
USB
(V)
3.5
REVERSE BAT CURRENT (µA)
120
140
160
5
3101 G42
100
60
40
20
80
0
4 4.5
5.5
PWM
MODE,
V
BAT
= 3V
Reverse USB Current vs
BAT Voltage
Reverse BAT Current vs
USB Voltage