LTC1983ES6-3 Просмотр технического описания (PDF) - Linear Technology
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LTC1983ES6-3 Datasheet PDF : 12 Pages
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LTC1983-3/LTC1983-5
TYPICAL PERFOR A CE CHARACTERISTICS
Burst Mode Input Current
vs VIN (LTC1983-3)
31.0
TA = 25°C
30.5
30.0
29.5
29.0
28.5
28.0
27.5
27.0
26.5
3.1
3.6
4.1
4.6
5.1 5.5
VIN (V)
1983 G10
SHDN Pin Input Current
vs Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–50
0
50
100
TEMPERATURE (°C)
150
1983 G13
ROUT vs Temperature
(IOUT = 10mA)
18
IOUT = 10mA
16
14
VIN = 3V
12
10
VIN = 5V
8
6
4
2
0
–50
0
50
100
150
TEMPERATURE (°C)
1983 G11
ROUT vs CFLY (VIN = 5V)
1400
VIN = 5V
1200 TA = 25°C
1000
800
600
400
200
0
0.01
0.1
CFLY (µF)
1
1983 G14
VOUT Ripple at 100mA Load
VOUT Ripple at 30mA Load
SHDN Pin Threshold Voltage
vs Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50
0
50
100
150
TEMPERATURE (°C)
1983 G12
VOUT Start-Up into 100mA
Resistive Load
VOUT
1V
VIN
5V
50µs/DIV
1983 G15
VOUT Load Step Reponse from
IOUT = 0 to IOUT = 100mA
VOUT
20mV
VOUT
20mV
1µs/DIV
1983 G16
VOUT
20mV
2.5µs/DIV
1983 G17
IOUT
100mA
100µs/DIV
1983 G18
1983fa
4
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