LT1508ISW 데이터 시트보기 (PDF) - Linear Technology
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LT1508ISW Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1508
Reference Voltage
vs Temperature
7.536
7.524
7.512
7.500
7.488
7.476
7.464
7.452
7.440
7.428
–75 –50 –25 0 25 50 75 100 125 150
JUNCTION TEMPERATURE (°C)
1508 G04
Multiplier Current
300
VAOUT = 7V
VAOUT = 6.5V
VAOUT = 6V
150
0
0
250
IAC (µA)
VAOUT = 5.5V
VAOUT = 5V
VAOUT = 4.5V
VAOUT = 4V
VAOUT = 3.5V
VAOUT = 3V
VAOUT = 2.5V
500
1508 G05
Supply Current vs Supply Voltage
16
15
14
TJ = –55°C
13
12
TJ = 125°C TJ = 25°C
11
10
9
8
7
6
5
10
21
32
SUPPLY VOLTAGE (V)
1508 G06
Frequency vs RSET and CSET
500
450
RSET = 10k
RSET = 15k
400
RSET = 20k
350
RSET = 30k
300
250
200
150
100
50
0
200 600 1000 1400 1800 2200
CSET CAPACITANCE (pF)
1508 G09
GTDR Rise and Fall Time
400
300
200
100
0
0
FALL TIME
RISE TIME
NOTE: GTDR SLEWS
BETWEEN 1V AND 16V
10
20
30
40
50
LOAD CAPACITANCE (nF)
1508 G07
GTDR1 Maximum Duty Cycle
vs RSET and CSET
1.00
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.90
200
RSET = 10k
RSET = 15k
RSET = 20k
RSET = 30k
600 1000 1400 1800 2200
CSET CAPACITANCE (pF)
1508 G10
Start-Up Supply Current
vs Supply Voltage
550
500
450
400
350
300
–55°C
250
25°C
200
125°C
150
100
50
0
02
4 6 8 10 12 14 16 18 20
SUPPLY VOLTAGE (V)
1508 G08
MOUT Pin Characteristics
1.5
1.0
TJ = 125°C
TJ = 25°C
0.5
TJ = –55°C
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–2.4
–1.2
0
1.2
MOUT VOLTAGE (V)
2.4
1508 G11
5
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