MCP1726 查看數據表（PDF） - Microchip Technology
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MCP1726 Datasheet PDF : 30 Pages
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MCP1726
NOTE: Unless otherwise indicated, VIN = VOUT + 0.5V, IOUT = 1 mA and TA = +25°C.
80
70
60
50
40
30
20 COUT =10 µF
10 CIN = 0 µF
IOUT = 100 mA
0
0.01
0.1
1
10
Frequency (kHz)
VOUT = 2.5V
VIN = 3.3V
100
1000
FIGURE 2-25:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 2.5V
Fixed).
VOUT
SHDN
PWRGD
FIGURE 2-28:
Shutdown.
2.5V (Adj.) Startup from
80
70
60
50
40
30
20 COUT =22 µF
10 CIN = 0 µF
IOUT = 100 mA
0
0.01
0.1
1
10
Frequency (kHz)
VOUT = 2.5V
VIN = 3.3V
100
1000
FIGURE 2-26:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 2.5V
Fixed).
VOUT
VIN
PWRGD
FIGURE 2-29:
Power Good (PWRGD)
Timing with CBYPASS of 1000 pF.
VOUT
VIN
PWRGD
VOUT
VIN
PWRGD
FIGURE 2-27:
2.5V (Adj.) Startup from VIN.
FIGURE 2-30:
Power Good (PWRGD)
Timing with CBYPASS of 0.01 µF.
© 2007 Microchip Technology Inc.
DS21936C-page 11
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