LTC1503IS8-1.8 查看數據表（PDF） - Linear Technology
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LTC1503IS8-1.8 Datasheet PDF : 12 Pages
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LTC1503-1.8/LTC1503-2
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1503-X Input Operating
Current vs Input Voltage
50
IOUT = 0mA
40
TA = –40°C
30
TA = 25°C
TA = 85°C
20
LTC1503-X Input Shutdown
Current vs Input Voltage
10
VOUT = 0V
VSHDN/SS = 0V
7.5
TA = –40°C
5
TA = 85°C
TA = 25°C
2.5
LTC1503-1.8
Output Voltage vs Input Voltage
1.90
IOUT = 50mA
1.85
TA = –40°C
1.80
TA = 25°C
TA = 85°C
1.75
10
2
3
4
5
INPUT VOLTAGE (V)
6
1503 G01
LTC1503-2
Output Voltage vs Input Voltage
2.10
IOUT = 50mA
2.05
TA = –40°C
2.00
TA = 85°C
TA = 25°C
1.95
1.90
2
3
4
5
INPUT VOLTAGE (V)
6
1503 G03
LTC1503-2
Efficiency vs Output Current
100
TA = 25°C
80
60
40
20
0
0.01
VIN = 5V
VIN = 4.4V
VIN = 3.6V
VIN = 3V
VIN = 2.4V
0.1
1
10 100
OUTPUT CURRENT (mA)
1000
1503-1.8/2 G07
0
2
3
4
5
6
INPUT VOLTAGE (V)
1503-1.8/2 TA02
LTC1503-1.8
Efficiency vs Input Voltage
100
TA = 25°C
IOUT = 100mA
80
IOUT = 1mA
60
“IDEAL”
LDO
40
20
2
3
4
5
6
INPUT VOLTAGE (V)
1503-1.8/2 G05
LTC1503-1.8
Output Voltage vs Output Current
1.84
VIN = 3.3V
1.82
TA = –40°C
1.80
TA = 85°C
1.78
TA = 25°C
1.76
1.74
0.01
0.1
1
10 100
OUTPUT CURRENT (mA)
1000
1503-1.8/2 G08
1.70
2
3
4
5
6
INPUT VOLTAGE (V)
1503-1.8/2 G03
LTC1503-1.8
Efficiency vs Output Current
100
TA = 25°C
80
60
40
20
0
0.01
VIN = 5V
VIN = 4.4V
VIN = 3.6V
VIN = 3V
VIN = 2.4V
0.1
1
10 100
OUTPUT CURRENT (mA)
1000
1503-1.8/2 G06
LTC1503-2
Output Voltage vs Output Current
2.04
VIN = 3.3V
2.02
TA = –40°C
2.00
TA = 85°C
1.98
TA = 25°C
1.96
1.94
0.01
0.1
1
10 100
OUTPUT CURRENT (mA)
1000
1503-1.8/2 G09
3
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