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ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - DC/DC voltage regulator Holder QFN 38
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LTC3374
8
3374fa
For more information www.linear.com/LTC3374
Typical perForMance characTerisTics
2A Buck Efficiency vs I
LOAD
3A Buck Efficiency vs I
LOAD
3A Buck Efficiency vs I
LOAD
1A Buck Efficiency vs I
LOAD
1A Buck Efficiency vs I
LOAD
2A Buck Efficiency vs I
LOAD
LOAD CURRENT (mA)
1
40
EFFICIENCY (%)
50
60
70
80
10 100 1000
3374 G19
30
20
10
0
90
100
Burst Mode OPERATION
FORCED
CONTINUOUS
MODE
V
OUT
= 1.8V
f
OSC
= 2MHz
L = 2.2µH
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V
LOAD CURRENT (mA)
1
40
EFFICIENCY (%)
50
60
70
80
10 100 1000
30
20
10
0
90
100
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
V
OUT
= 2.5V
f
OSC
= 2MHz
L = 2.2µH
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 5.5V
LOAD CURRENT (mA)
1
40
EFFICIENCY (%)
50
60
70
80
10 100 1000
3374 G21
30
20
10
0
90
100
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
V
OUT
= 1.8V
f
OSC
= 2MHz
L = 2.2µH
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V
LOAD CURRENT (mA)
1
40
EFFICIENCY (%)
50
60
70
80
10 100 1000
3374 G22
30
20
10
0
90
100
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
V
OUT
= 2.5V
f
OSC
= 2MHz
L = 2.2µH
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 5.5V
LOAD CURRENT (mA)
1
40
EFFICIENCY (%)
50
60
70
80
10 100 1000
3374 G23
30
20
10
0
90
100
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
V
OUT
= 1.8V
f
OSC
= 2MHz
L = 2.2µH
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V
LOAD CURRENT (mA)
1
40
EFFICIENCY (%)
50
60
70
80
10 100 1000
3374 G24
30
20
10
0
90
100
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
V
OUT
= 2.5V
f
OSC
= 2MHz
L = 2.2µH
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 5.5V
PMOS R
DS(ON)
vs Temperature NMOS R
DS(ON)
vs Temperature
TEMPERATURE (°C)
–50
R
DS(ON)
(mΩ)
550
500
150
3374 G17
250
300
350
200
1251007550250–25
600
400
450
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V
TEMPERATURE (°C)
–50
R
DS(ON)
(mΩ)
550
500
150
3374 G18
250
300
350
200
1251007550250–25
600
400
450
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V