LT1312 데이터 시트보기 (PDF) - Linear Technology
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LT1312 Datasheet PDF : 12 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current (0V or Hi-Z Mode)
50
TJ = 25°C
EN0 = EN1= 0V
40 OR
EN0 = EN1= 5V
30
20
10
0
0
5
10
15
20
25
SUPPLY VOLTAGE (V)
LT1312 G1
Ground Pin Current (12V Mode)
10
TJ = 25°C
EN0 = 5V
8 EN1 = 0V
RL = 100Ω
IL = 120mA*
6
4
RL = 200Ω
IL = 60mA*
2
RL = 400Ω
IL = 30mA*
*FOR VPPOUT = 12V
0
0
5
10
15
20
25
SUPPLY VOLTAGE (V)
LT1312 G4
Ground Pin Current
16
TJ = 25°C
14 VS = 15V
12
10
8
6
4
2
0
0 20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
LT1312 G7
Quiescent Current (12V Mode)
500
TJ = 25°C
EN0 = 5V
400
EN1 = 0V
RL = ∞
300
200
100
0
0
5
10
15
20
25
SUPPLY VOLTAGE (V)
LT1312 G2
Ground Pin Current (5V Mode)
2.5
TJ = 25°C
EN0 = 0V
2.0 EN1 = 5V
VSENSE = 5V
1.5
RL = 167Ω
IL = 30mA*
1.0
RL = 500Ω
0.5
IL = 10mA*
*FOR VPPOUT = 5V
0
0
5
10
15
20
25
SUPPLY VOLTAGE (V)
LT1312 G5
Current Limit
800
TJ = 25°C
700 VPPOUT = 0V
600
500
400
300
200
100
0
0
5
10
15
20
25
INPUT VOLTAGE (V)
LT1312 G8
LT1312
Quiescent Current (3.3V/5V Mode)
250
TJ = 25°C
EN0 = 0V
200
EN1 = 5V
RL = ∞
150
100
50
0
0
VSENSE = 5V
VSENSE = 3.3V
5
10
15
20
25
SUPPLY VOLTAGE (V)
LT1312 G3
Ground Pin Current (3.3V Mode)
2.5
TJ = 25°C
EN0 = 0V
2.0 EN1 = 5V
VSENSE = 3.3V
1.5
RL = 110Ω
IL = 30mA*
1.0
RL = 330Ω
0.5
IL = 10mA*
*FOR VPPOUT = 3.3V
0
0
5
10
15
20
25
SUPPLY VOLTAGE (V)
LT1312 G6
Current Limit
600
VS = 15V
VPPOUT = 0V
500
400
300
200
100
0
0
25
50
75 100 125
JUNCTION TEMPERATURE (°C)
LT1312 G9
3
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