LT3684EDD データシートの表示（PDF） - Linear Technology
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LT3684EDD Datasheet PDF : 24 Pages
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LT3684
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise noted)
Minimum Input Voltage
6.5
6.0
5.5
VC Voltages
2.50
2.00
CURRENT LIMIT CLAMP
1.50
Power Good Threshold
1.200
PG RISING
1.180
1.160
5.0
4.5
4.0
0.001
VOUT = 5V
TA = 25°C
L = 4.7µH
f = 800kHz
0.01
0.1
1
10
LOAD CURRENT (A)
3684 G19
1.00
SWITCHING THRESHOLD
0.50
1.140
1.120
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3684 G20
1.100
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3684 G21
Switching Waveforms
(Discontinuous Operation)
Switching Waveforms
(Continuous Operation)
IL
0.5A/DIV
IL
0.5A/DIV
VSW
5V/DIV
VRUN/SS
5V/DIV
VOUT
10mV/DIV
VIN = 12V, FRONT PAGE APPLICATION
ILOAD = 140mA
1µs/DIV
3684 G22
VOUT
10mV/DIV
VIN = 12V, FRONT PAGE APPLICATION
ILOAD = 1A
1µs/DIV
3684 G23
3684f
6
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