LTC3419EDD View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC3419EDD Datasheet PDF : 16 Pages
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LTC3419
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 3.6V, unless otherwise noted.
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
10
0 VOUT = 1.2V
0.1
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
10
100
1000
OUTPUT CURRENT (mA)
3419 G10
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
10
0 VOUT = 1.8V
0.1
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
10
100
1000
OUTPUT CURRENT (mA)
3419 G11
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
10
0 VOUT = 2.5V
0.1
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
10
100
1000
OUTPUT CURRENT (mA)
3419 G12
Efficiency vs Load Current
100
Burst Mode OPERATION
90
80
70
PULSE SKIP MODE
60
50
40
30
20
10
0 VOUT = 1.8V
0.1
1
10
100
OUTPUT CURRENT (mA)
1000
3419 G13
Load Regulation
3.0
2.5
2.0
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
1.5
Burst Mode OPERATION
1.0
0.5
0
–0.5
–1.0
0
100 200 300 400 500 600
LOAD CURRENT (mA)
3419 G14
Load Regulation
2.0
VOUT = 1.8V
1.5
1.0
0.5
0
–0.5
–1.0
0
Burst Mode OPERATION
PULSE SKIP MODE
100 200 300 400 500 600
LOAD CURRENT (mA)
3419 G15
Line Regulation
0.6
VOUT = 1.8V
ILOAD = 100mA
0.4
Start-Up from Shutdown
RUN
2V/DIV
0.2
VOUT
1V/DIV
0
–0.2
IL
500mA/DIV
–0.4
–0.6
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VIN (V)
3419 G16
VIN = 3.6V
VOUT = 1.8V
ILOAD = 0A
250μs/DIV
Start-Up from Shutdown
RUN
2V/DIV
VOUT
1V/DIV
ILOAD
500mA/DIV
3419 G17
VIN = 3.6V
VOUT = 1.8V
RLOAD = 3Ω
250μs/DIV
3419 G18
3419f
5
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