Datasheet

LTC3101
7
3101fb
Buck-Boost Maximum Load
Current, PWM Mode
Buck-Boost Maximum Load
Current, Burst Mode Operation
Buck Output Voltage vs
Load Current
Buck-Boost Output Voltage
vs Load Current
C
RS
Pin Current Hot Swap Switch R
DS(0N)
MAX Output Switch R
DS(0N)
LDO Output Voltage vs
Supply Voltage
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
0
LOAD CURRENT (mA)
200
400
600
800
1000
1200
2345
3101 G19
6
V
OUT3
= 3.3V
V
OUT3
= 5V
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
0
LOAD CURRENT (mA)
20
40
60
80
100
120
2345
3101 G20
6
V
OUT3
= 3.3V
V
OUT3
= 5V
LOAD CURRENT (mA)
0
CHANGE IN VOLTAGE FROM 5mA LOAD (%)
0
0.05
0.10
400
3101 G21
–0.05
–0.10
–0.20
100
200
300
–0.15
0.20
0.15
LOAD CURRENT (mA)
0
–0.5
CHANGE IN OUTPUT VOLTAGE (%)
–0.4
–0.2
–0.1
0
0.5
0.2
200
400
3101 G22
–0.3
0.3
0.4
0.1
600
800
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
CHANGE IN CURRENT FROM 3V (%)
0.2
0.6
1.0
5
3101 G23
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
2
3
4
6
BUCK-BOOST OUTPUT VOLTAGE (V)
1
0
SWITCH R
DS(ON)
()
0.2
0.4
0.6
0.8
1.0
1.2
2345
3101 G24
6
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
SWITCH R
DS(ON)
()
0.6
0.8
1.0
4
6
3101 G25
0.4
0.2
0
23 5
1.2
1.4
1.6
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
CHANGE IN VOLTAGE FROM 3V (%)
0.1
0.3
0.5
5
3101 G26
–0.1
–0.3
0
0.2
0.4
–0.2
–0.4
–1.5
2
3
4
6
LDO Output Voltage vs
Load Current
LDO LOAD CURRENT (mA)
0
–1.5
CHANGE IN VOLTAGE FROM 1mA (%)
–1.0
–0.5
0
0.5
1.5
20 40
3101 G27
60
1.0
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C unless otherwise specifi ed)