LTC3100
5
3100fb
For more information www.linear.com/LTC3100
Efficiency vs Load Current
and V
IN
for V
O
= 1.8V
Efficiency vs Load Current
and V
IN
for V
O
= 3.3V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3100E is guaranteed to meet performance specifications
from 0癈 to 85癈. Specifications over 40癈 to 85癈 operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Specification is guaranteed by design and not 100% tested in
production.
Note 4: Current measurements are made when the output is not switching.
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125癈 when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may result in device degradation or failure.
Note 6: Failure to solder the exposed backside of the package to the PC
board ground plane will result in a thermal resistance much higher than
68癈/W.
TYPICAL PERFORMANCE CHARACTERISTICS T
A
= 25癈, unless otherwise specified.
Step-Up DC/DC Converter
LOAD CURRENT (mA)
30
50
80
0.01
10 100 1000
0
10
0.1 1
100
70
90
40
60
20
100
0.01
1000
1
10
0.1
3100 G01
V
IN
= 1.2V
V
IN
= 1.5V
PL, V
IN
= 1.2V
PL, V
IN
= 1.5V
LOAD CURRENT (mA)
30
50
80
0.01
10 100 1000
0
10
0.1 1
100
70
90
40
60
20
100
0.01
1000
1
10
0.1
3100 G02
V
IN
= 1.2V
V
IN
= 2.4V
V
IN
= 3V
PL, V
IN
= 1.2V
PL, V
IN
= 2.4V
PL, V
IN
= 3V
ELECTRICAL CHARACTERISTICS
3.3V, 100mA Efficiency vs V
IN
Efficiency vs Load Current
and V
IN
for V
O
= 5V
LOAD CURRENT (mA)
30
50
80
0.01
10 100 1000
0
10
0.1 1
100
70
90
40
60
20
100
0.01
1000
1
10
0.1
3100 G03
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3.6V
PL, V
IN
= 1.8V
PL, V
IN
= 2.4V
PL, V
IN
= 3.6V
V
INBST
(V)
40
90
100
2.2 2.6 3
20
70
30
80
10
0
60
50
1.8 2 2.4
3.4
4.2
2.8 3.2
3.8 4
3.6
3100 G04
V
BST
= 3.3V AT 100mA
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