LT3008 データシートの表示（PDF） - Linear Technology
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LT3008 Datasheet PDF : 16 Pages
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LT3008
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted.
Quiescent Current
30
27
24
VOUT = 3.3V
ILOAD = 1μA
21
18
15
12
9
6
3
0
0
2
4
6
8 10 12
INPUT VOLTAGE (V)
3008 G07
GND Pin Current
400
VOUT = 3.3V
350
20mA (RLOAD = 165Ω)
300
250
200
150
10mA (RLOAD = 330Ω)
100
100μA (RLOAD = 33k)
50
1mA (RLOAD = 3.3k)
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3008 G08
GND Pin Current vs ILOAD
1000
VIN = 3.8V
VOUT = 3.3V
100
10
1
0.001 0.01
0.1
1
LOAD (mA)
10
100
3008 G09
SHDN Pin Thresholds
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25
OFF TO ON
ON TO OFF
0 25 50 75 100 125 150
TEMPERATURE (°C)
3008 G10
SHDN Pin Input Current
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 5 10 15 20 25 30 35 40 45
SHDN PIN VOLTAGE (V)
3008 G11
SHDN Pin Input Current
2
1.8
1.6
1.4
1.2
1
0.8
VSHDN = 45V
0.6
0.4
0.2
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3008 G12
Current Limit
100
90
80
VIN = 45V
70
60
50
40
VIN = 2V
30
20
10
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3008 G13
Reverse Output Current
50
OUT = ADJ = 1.2V
45 IN = SHDN = GND
40
35
30
25
20
15
10
ADJ
5
0
–50 –25
OUT
0 25 50 75 100 125 150
TEMPERATURE (°C)
3008 G14
Input Ripple Rejection
90
VIN = 2.1V + 50mVRMS
80
VOUT = 600mV
ILOAD = 20mA
70
60
50
40
30
10μF
20
2.2μF
10
0
10 100 1000 10000 100000 1000000
FREQUENCY (Hz)
3008 G15
3008f
5
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