MCP1653 查看數據表（PDF） - Microchip Technology
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MCP1653 Datasheet PDF : 30 Pages
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MCP1650/51/52/53
Note: Unless otherwise indicated, VIN = 3.3V, VOUT = 12V, CIN = 10 µF (x5R or X7R Ceramic), COUT = 10 µF (X5R or X7R),
IOUT = 10 mA, L = 3.3 µH, SHDN > VIH, TA = +25°C.
1.0
TA = +25°C
0.8
0.6
ISINK
0.4
ISOURCE
0.2
0.0
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0
Input Voltage (V)
FIGURE 2-7:
EXT Sink and Source
Current vs. Input Voltage.
1.230
1.225
1.220
1.215
1.210
TJ = +125°C
TJ = +25°C
TJ = - 40°C
1.205
2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
FIGURE 2-10:
Voltage.
Feedback Voltage vs. Input
0.8
VIN = 3.3V
0.7
0.6
ISINK
0.5
0.4
0.3
ISOURCE
0.2
0.1
0.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
FIGURE 2-8:
EXT Sink and Source
Current vs. Ambient Temperature.
18
16
14
TJ = +125°C
12
10
8
TJ = +25°C
6
TJ = - 40°C
4
2
0
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6
Input Voltage (V)
FIGURE 2-11:
Feedback Voltage
Hysteresis vs. Input Voltage.
80
70
60
2.7VFALL
50
40
2.7VRISE
30
5VRISE
20
5VFALL
10
0
100 150 200 250 300 350 400 450 500
External Capacitance (pF)
FIGURE 2-9:
EXT Rise and Fall Times vs.
External Capacitance.
FIGURE 2-12:
Dynamic Load Response.
DS21876B-page 8
2004-2013 Microchip Technology Inc.
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