Datasheet

LTC4160/LTC4160-1
8
41601fa
TYPICAL PERFORMANCE CHARACTERISTICS
OTG Boost Efficiency
vs Battery Voltage
OTG Boost Start-Up Time
into Current Source Load vs
Battery Voltage
OTG Boost Burst Mode Current
Threshold vs Battery Voltage
OTG Boost Transient Response
OTG Boost Start-Up into Current
Source Load OTG Boost Burst Mode Operation
OTG Boost Quiescent Current
vs Battery Voltage
OTG Boost V
BUS
Voltage
vs Load Current
OTG Boost Efficiency
vs Load Current
T
A
= 25°C, unless otherwise noted.
BATTERY VOLTAGE (V)
0.5
QUIESCENT CURRENT (mA)
1.0
1.5
3.0
2.5
41601 G25
2.0
2.7
3.3
3.9
4.2
3.0 3.6
V
OUT
= BAT
LOAD CURRENT (mA)
0 100
2.5
3.0
V
BUS
(V)
4.0
5.5
200
400
500
41601 G26
3.5
5.0
4.5
300
600
700
V
OUT
= BAT = 4.2V
V
OUT
= BAT = 3.8V
V
OUT
= BAT = 3.4V
V
OUT
= BAT = 3V
V
BUS
= 4.75V
I
VBUS
= 500mA
LOAD CURRENT (mA)
1
30
40
EFFICIENCY (%)
80
90
100
10 100 1000
41601 G27
70
60
50
V
OUT
= BAT = 4.2V
V
OUT
= BAT = 3.8V
V
OUT
= BAT = 3.4V
V
OUT
= BAT = 3V
BATTERY VOLTAGE (V)
2.7
3.3
3.9
4.2
3.0 3.6
EFFICIENCY (%)
80
85
41601 G28
75
70
100
95
90
500mA LOAD
100mA LOAD
V
OUT
= BAT
BATTERY VOLTAGE (V)
2.7
3.3
3.9
4.2
3.0 3.6
1.6
TIME (ms)
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
41601 G29
22µF ON V
BUS
, 22µF AND
LOAD THROUGH OVP
22µF ON V
BUS
,
LOAD THROUGH OVP
22µF ON V
BUS
,
NO OVP
V
OUT
= BAT
I
LOAD
= 500mA
2.7
3.3
3.9
4.2
3.0 3.6
BATTERY VOLTAGE (V)
LOAD CURRENT (mA)
20
41601 G30
30
0
100
90
40
80
10
70
60
50
V
OUT
= BAT
V
BUS
50mV/DIV
AC COUPLED
I
VBUS
200mA/DIV
0mA
20µs/DIV
41601 G31
V
OUT
= 3.8V
I
VBUS
200mA/DIV
V
BUS
2V/DIV
0V
0mA
200µs/DIV
41601 G32
V
OUT
= 3.8V
I
LOAD
= 500mA
V
BUS
50mV/DIV
AC COUPLED
V
SW
1V/DIV
0V
50µs/DIVV
OUT
= 3.8V
I
LOAD
= 10mA
41601 G33