LTC1700_ 查看數據表（PDF） - Linear Technology
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LTC1700_ Datasheet PDF : 32 Pages
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LTC1871-7
TYPICAL PERFOR A CE CHARACTERISTICS
FB Voltage vs Temp
1.25
FB Voltage Line Regulation
1.231
1.24
1.23
1.230
1.22
1.21
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G01
Shutdown Mode IQ vs VIN
30
20
10
1.229
0 5 10 15 20 25 30 35
VIN (V)
18717 G02
Shutdown Mode IQ vs Temperature
20
VIN = 8V
15
10
5
0
0
10
20
30
40
VIN (V)
18717 G04
Burst Mode IQ vs Temperature
500
400
300
200
100
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G07
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G05
Dynamic IQ vs Frequency
18
CL = 3300pF
16 IQ(TOT) = 600µA + Qg • f
14
12
10
8
6
4
2
0
0 200 400 600 800 1000 1200
FREQUENCY (kHz)
18717 G08
FB Pin Current vs Temperature
60
50
40
30
20
10
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
18717 G03
Burst Mode IQ vs VIN
600
500
400
300
200
100
0
0
10
20
30
40
VIN (V)
18717 G06
Gate Drive Rise and Fall Time
vs CL
60
50
40
RISE TIME
30
20
FALL TIME
10
0
0 2000 4000 6000 8000 10000 12000
CL (pF)
18717 G09
18717f
4
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