LT3027 データシートの表示（PDF） - Linear Technology
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LT3027
Linear Technology
LT3027 Datasheet PDF : 16 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT3027
SHDN1 or SHDN2 Pin Threshold
(Off-to-On)
1.0
0.9
0.8
IL = 100mA
0.7
0.6
IL = 1mA
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3027 G10
SHDN1 or SHDN2 Pin Input
Current
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 1 2 3 4 5 6 7 8 9 10
SHDN PIN VOLTAGE (V)
3027 G11
SHDN1 or SHDN2 Pin Input
Current
1.4
VSHDN = 20V
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3027 G12
ADJ1 or ADJ2 Pin Bias Current
100
90
80
70
60
50
40
30
20
10
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3027 G13
Current Limit
350
VOUT = 0V
300 TJ = 25°C
250
200
150
100
50
0
01 2 34 5
INPUT VOLTAGE (V)
67
3027 G14
Current Limit
350
300
VIN = 7V
VOUT = 0V
250
200
150
100
50
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3027 G15
Input Ripple Rejection
80
70
60
50
COUT = 10µF
40
30
20
10
IL = 100mA
VIN = 2.3V + 50mVRMS RIPPLE
0 CBYP = 0
0.01 0.1
1
10
COUT = 1µF
100 1000
FREQUENCY (kHz)
3027 G18
Input Ripple Rejection
80
70
CBYP = 0.01µF
60
CBYP = 1000pF
50
CBYP = 100pF
40
30
20
10
IL = 100mA
VIN = 2.3V + 50mVRMS RIPPLE
0 COUT = 10µF
0.01 0.1
1
10
FREQUENCY (kHz)
100 1000
3027 G19
3027f
5
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