LT1913 查看數據表（PDF） - Linear Technology
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LT1913 Datasheet PDF : 24 Pages
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LT1913
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted.
Minimum Input Voltage
6.5
VC Voltages
2.50
6.0
2.00
CURRENT LIMIT CLAMP
1.50
5.5
5.0
VOUT = 5V
4.5 TA = 25 °C
L = 4.7μH
f = 600kHz
4.0
1
10
100
1000
LOAD CURRENT (mA)
10000
1913 G21
1.00
SWITCHING THRESHOLD
0.50
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1913 G22
Power Good Threshold
95
90
85
80
75
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1913 G23
Switching Waveforms;
Discontinuous Operation
VSW
5V/DIV
Switching Waveforms;
Continuous Operation
VSW
5V/DIV
IL
0.2A/DIV
IL
0.5A/DIV
VOUT
10mV/DIV
VIN = 12V
VOUT = 3.3V
ILOAD = 110mA
1μs/DIV
1913 G25
VOUT
10mV/DIV
VIN = 12V
VOUT = 3.3V
ILOAD = 1A
1μs/DIV
1913 G26
1913f
6
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