Datasheet

LTC3101
6
3101fb
Current Limit Thresholds vs
Temperature
Buck Switch R
DS(ON)
Buck-Boost P-Channel Switch
R
DS(ON)
Buck-Boost N-Channel Switch
R
DS(ON)
Buck Switch R
DS(0N)
Buck-Boost P-Channel Switch
R
DS(0N)
Buck-Boost N-Channel Switch
R
DS(0N)
Feedback Voltages LDO Output Voltage
TEMPERATURE (°C)
–50
SWITCH R
DS(ON)
(m)
400
500
600
PMOS
NMOS
150
3101 G11
300
200
0
0
50
100
100
800
700
TEMPERATURE (°C)
–50
180
200
240
100
3101 G12
160
140
0 50 150
120
100
220
SWITCH R
DS(ON)
(m)
SWITCH D
SWITCH A
SWITCH A´
TEMPERATURE (°C)
–50
SWITCH R
DS(ON)
(m)
100
150
150
3101 G13
50
0
0
50
100
250
SWITCH B
SWITCH C
200
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
0
SWITCH R
DS(ON)
()
0.1
0.3
0.4
0.5
3
5
6
0.9
3101 G14
0.2
24
0.6
0.7
0.8
PMOS SWITCHES
NMOS SWITCHES
SUPPLY VOLTAGE, V
BAT
, V
USB
OR V
OUT3
(V)
1
SWITCH R
DS(ON)
()
0.22
0.26
0.30
5
3101 G15
0.18
0.14
0.20
0.24
0.28
0.16
0.12
0.10
2
3
4
6
SWITCH D
SWITCH A´
SWITCH A
SUPPLY VOLTAGE, V
BAT
OR V
USB
(V)
1
SWITCH R
DS(ON)
()
0.16
0.18
0.20
5
3101 G16
0.14
0.12
0.15
0.17
0.19
0.13
0.11
0.10
2
3
4
6
SWITCH B
SWITCH C
TEMPERATURE (°C)
–50
–0.5
CHANGE IN VOLTAGE FROM 25°C (%)
–0.4
–0.2
–0.1
0
0.5
0.2
0
50
3101 G17
–0.3
0.3
0.4
0.1
100
150
FB3
FB1, FB2
TEMPERATURE (°C)
–50
–1.0
CHANGE IN VOLTAGE FROM 25°C (%)
–0.8
–0.4
–0.2
0
1.0
0.4
0
50
3101 G18
–0.6
0.6
0.8
0.2
100
150
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C unless otherwise specifi ed)
TEMPERATURE (°C)
–50
–10
CHANGE FROM 25°C (%)
–8
–4
–2
0
10
4
0
50
3101 G10
–6
6
8
2
100
BUCK P-CHANNEL
CURRENT LIMIT
BUCK-BOOST
INDUCTOR
CURRENT LIMIT