LPS3015 데이터 시트보기 (PDF) - Microchip Technology
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LPS3015 Datasheet PDF : 38 Pages
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MCP16301
Note: Unless otherwise indicated, VIN = EN = 12V, COUT = CIN = 2 X10 µF, L = 15 µH, VOUT = 3.3V, ILOAD = 200 mA,
TA = +25°C.
0.75
0.70
0.65
VIN = 12V
VOUT = 3.3V
IOUT = 100 mA
0.60
0.55
0.50
0.45
0.40
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
FIGURE 2-13:
Temperature.
EN Threshold Voltage vs.
VOUT
20 mV/DIV
AC coupled
VSW
5V/DIV
VOUT = 3.3V
IOUT = 50 mA
VIN = 12V
5.00
4.70
4.40
To Start
4.10
3.80
3.50 To Run
3.20
1
10
100
IOUT (mA)
1000
FIGURE 2-16:
Typical Minimum Input
Voltage vs. Output Current.
VOUT = 3.3V
IOUT = 100 mA
VIN = 12V
VOUT
2V/DIV
IL
100 mA/DIV
FIGURE 2-14:
Waveforms.
VOUT =
20 mV/DIV
AC coupled
VSW =
5V/DIV
1 µs/DIV
Light Load Switching
VOUT = 3.3V
IOUT = 600 mA
VIN = 12V
VEN
2V/DIV
FIGURE 2-17:
100 µs/DIV
Startup From Enable.
VOUT
1V/DIV
VOUT = 3.3V
IOUT = 100 mA
VIN = 12V
IL =
20 mA/DIV
FIGURE 2-15:
Waveforms.
1 µs/DIV
Heavy Load Switching
VIN
5V/DIV
FIGURE 2-18:
100 µs/DIV
Startup From VIN.
© 2011 Microchip Technology Inc.
DS25004A-page 7
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