LTC3250-1.5 Ver la hoja de datos (PDF) - Linear Technology
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LTC3250-1.5 Datasheet PDF : 12 Pages
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LTC3250-1.5/LTC3250-1.2
TYPICAL APPLICATIO S
Fixed 3.3V Input to 1.5V Output with Shutdown
1µF
VIN = 3.3V
4
6
1
C–
VIN
C+ 5
VOUT
1µF
LTC3250-1.5
OFF ON 3 SHDN GND 2
VOUT = 1.5V ±4%
4.7µF
3250 TA02a
Li-Ion or 3-Cell NiMH to 1.5V Output with Shutdown
1µF
1-CELL Li-Ion OR
3-CELL NiMH
4
1
C–
VIN
6
C+ 5
VOUT
1µF
LTC3250-1.5
OFF ON 3 SHDN GND 2
VOUT = 1.5V ±4%
4.7µF
3250 TA03a
3-Cell NiMH to 1.2V Output with Shutdown
1µF
VIN = 2.7V TO 5V
3-CELL NiMH
4
1 C–
VIN
6
C+ 5
VOUT
1µF
LTC3250-1.2
OFF ON 3 SHDN GND 2
VOUT = 1.2V ±4%
4.7µF
3250 TA05a
10
Efficiency vs Output Current
100
TA = 25°C
90
VIN = 3.3V
80
70
60
50
40
30
20
10
0
0.1
1
10
100
1000
IOUT (mA)
3250 TA02b
Efficiency vs Output Current
100
TA = 25°C
90
80
VIN = 3.6V
70
VIN = 4V
60
50
VIN = 5V
40
30
20
10
0
0.1
1
10
100
1000
IOUT (mA)
3250 TA03b
Efficiency vs Input Voltage
(IOUT = 100mA)
100
TA = 25°C
90
80
70
60
LTC3250
50
40
30
LDO
20
10
0
2.7 3.2 3.7 4.2 4.7 5.2
VIN (V)
3250 TA05b
3250fa
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