MCP1726-1202E Просмотр технического описания (PDF) - Microchip Technology

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производитель

MCP1726-1202E

1A, Low Voltage, Low Quiescent Current LDORegulator

Microchip Technology 

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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