LT1339ISW 查看數據表（PDF） - Linear Technology
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LT1339ISW Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1339
Soft Start Charge Current
vs Temperature
9
RUN/SHDN Rising Threshold
vs Temperature
1.26
RUN/SHDN Threshold Hysteresis
vs Temperature
26
1.25
25
8
1.24
24
1.23
23
7
1.22
22
1.21
21
6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1339 G10
Bottom Gate Transition Times vs
Bottom Gate Capacitance
160
TA = 25°C
140
120
100
80
RISE TIME
60
FALL TIME
40
20
0
1000
2500
5000
7500 10000
BOTTOM GATE CAPACITANCE (pF)
1339 G13
1.20
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1339 G11
Top Gate Transition Times vs
Top Gate Capacitance
300
TA = 25°C
250
200
RISE TIME
150
100
FALL TIME
50
0
1000
2500
5000
7500
TOP GATE CAPACITANCE (pF)
10000
1339 G14
20
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1339 G12
Average Current Limit Threshold
Sense Voltage Tolerance vs
Common Mode Voltage
160
FULL OPERATING
150 TEMPERATURE RANGE
140
UPPER LIMIT
130
TYPICAL
120
LOWER LIMIT
110
100
90
80
0 12345
VSENSE(CM) (V)
60
1339 G15
12VIN Supply Current vs
Supply Voltage
30
fO = 100kHz
28 TA = 25°C
26
CBG = 10000pF
24
22
20
CBG = 4700pF
18
CBG = 3300pF
16
CBG = 1000pF
14
10
11
12
13
14
15
12VIN SUPPLY VOLTAGE (V)
1339 G16
Boost Supply Current vs
12VIN Supply Voltage
18
fO = 100kHz
16 TA = 25°C
14
CTG = 10000pF
12
10
CTG = 4700pF
8
6
CTG = 1000pF
4
CTG = 3300pF
2
10
11
12
13
14
15
12VIN SUPPLY VOLTAGE (V)
1339 G17
5
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