MCP1827 datasheet(12/32 Pages) MICROCHIP

номер детали	MCP1827

подробное описание детали	1.5A, Low Voltage, Low Quiescent Current LDO Regulator

PDF	32 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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12 / 32 page

MCP1827/MCP1827S

DS22001B-page 12

NOTE: Unless otherwise indicated, VIN = VOUT + 0.6V, IOUT = 1 mA and TA = +25°C.

FIGURE 2-19:

Dropout Voltage vs. Load

Current.

FIGURE 2-20:

Dropout Voltage vs.

Temperature.

FIGURE 2-21:

Short Circuit Current vs.

Input Voltage.

FIGURE 2-22:

Output Noise Voltage

Density vs. Frequency.

FIGURE 2-23:

Power Supply Ripple

Rejection (PSRR) vs. Frequency (VOUT = 1.2V

Adj.).

FIGURE 2-24:

Power Supply Ripple

Rejection (PSRR) vs. Frequency (VOUT = 1.2V

Adj.).

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

250

500

750

1000

1250

1500

Load Current (mA)

VOUT = 5.0V

VOUT = 2.5V

Temperature = 25

°C

0.25

0.30

0.35

0.40

0.45

-45

-20

305580

105

130

Temperature (°C)

IOUT = 1.5A

VOUT = 2.5V

VOUT = 5.0V

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Input Voltage (V)

VOUT = 2.5V

Temperature = 25°C

0.010

0.100

1.000

10.000

0.01

0.1

100

1000

Frequency (kHz)

VR=0.8V, VIN=2.3V

VR=3.3V, VIN=4.1V

COUT=1 F ceramic X7R

CIN=10 F ceramic

IOUT=200 mA

-80

-70

-60

-50

-40

-30

-20

-10

0.01

0.1

100

1000

Frequency (kHz)

VR=1.2V Adj

COUT=10 μF ceramic X7R

VIN=3.1V

CIN=0 μF

IOUT=10 mA

-80

-70

-60

-50

-40

-30

-20

-10

0.01

0.1

100

1000

Frequency (kHz)

VR=1.2V Adj

COUT=22 μF ceramic X7R

VIN=3.1V

CIN=0 μF

IOUT=10 mA

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