LT1619_ データシートの表示（PDF） - Linear Technology
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LT1619_ Datasheet PDF : 32 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
RUN Thresholds vs VIN
1.5
RUN Thresholds vs Temperature
1.40
LTC1871-7
RT vs Frequency
1000
1.35
1.4
1.30
100
1.3
1.25
1.2
0
10
20
30
40
VIN (V)
18717 G10
Frequency vs Temperature
325
320
315
310
305
300
295
290
285
280
275
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G13
INTVCC Load Regulation
VIN = 8V
7.0
6.9
6.8
0
10 20 30 40 50 60 70 80
INTVCC LOAD (mA)
18717 G16
1.20
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G11
Maximum Sense Threshold
vs Temperature
160
155
150
145
140
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G14
INTVCC Line Regulation
7.2
7.1
7.0
6.9
0
5 10 15 20 25 30 35 40
VIN (V)
18717 G17
10
0 100 200 300 400 500 600 700 800 900 1000
FREQUENCY (kHz)
18717 G12
SENSE Pin Current vs Temperature
35
GATE HIGH
VSENSE = 0V
30
25
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
INTVCC Dropout Voltage
vs Current, Temperature
500
18717 G15
450
150°C
400
125°C
350
75°C
300
25°C
250
200
0°C
150
–50°C
100
50
0
0
5
10
15
20
INTVCC LOAD (mA)
18717 G18
18717f
5
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