MCP1700 查看數據表（PDF） - Microchip Technology

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MCP1700

Low Quiescent Current LDO

Microchip Technology 

MCP1700

Note: Unless otherwise indicated: VR = 1.8V, COUT = 1 µF Ceramic (X7R), CIN = 1 µF Ceramic (X7R), IL = 100 µA,

TA = +25°C, VIN = VR +1V.

0.16

0.14

0.12

0.1

0.08

0.06

0.04

0.02

0

0

VR = 5.0V

TJ = +25°C

TJ = +125°C

TJ = - 40°C

25 50 75 100 125 150 175 200 225 250

Load Current (mA)

FIGURE 2-13:

Dropout Voltage vs. Load

Current (VR = 5.0V).

10

1 VIN = 2.5V VIN = 2.8V

VR = 1.2V

VR = 1.8V

IOUT = 50ma IOUT = 50ma

0.1

VIN = 3.8V

VR = 2.8V

IOUT = 50ma

0.01

0.01

0.1

FIGURE 2-16:

1

10

100

Frequency (KHz)

1000

Noise vs. Frequency.

FIGURE 2-14:

Power Supply Ripple

Rejection vs. Frequency (VR = 1.2V).

FIGURE 2-17:

(VR = 1.2V).

Dynamic Load Step

FIGURE 2-15:

Power Supply Ripple

Rejection vs. Frequency (VR = 2.8V).

FIGURE 2-18:

(VR = 1.8V).

Dynamic Load Step

© 2007 Microchip Technology Inc.

DS21826B-page 7

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