MIC2941AWT datasheet(5/24 Pages) MICROCHIP

номер детали	MIC2941AWT

подробное описание детали	1.25A Low Dropout Voltage Regulator

PDF	24 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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DS20006000B-page 5

MIC2940A/41A

Ground Pin Current, Note 4

IGND

—

240

500

µA

IL = 5 mA

—

4.5

IL = 250 mA

—

IL = 1000 mA

—

IL = 1250 mA

Ground Pin Current at

Dropout, Note 4

IGNDDO

—

330

600

µA

VIN = 0.5V less than designed VOUT

(VOUT 3.3), IL = 5 mA

Current-Limit

ILIMIT

—

1.6

3.5

VOUT = 0V, Note 5

Thermal Regulation

ΔVO/ΔPD

—

0.05

0.2

%/W

Note 6

Output Noise Voltage

(10 Hz to 100 kHz)

IL = 100 mA

—

400

—

µVRMS

CL = 10 µF

—

260

—

CL = 33 µF

Electrical Characteristics for MIC2941A Only

Reference Voltage

VREF

1.223

1.235

1.247

Note 7

1.210

—

1.260

1.204

—

1.266

Adjust Pin Bias Current

IBIAS

—

Reference Voltage

Temperature Coefficient

ΔVREF/ΔT

—

ppm/°C —

Adjust Pin Bias Current

Temperature Coefficient

ΔIBIAS/ΔT

—

0.1

—

nA/°C

—

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: Limits in standard typeface are for TJ = +25°C and limits in boldface apply over the full

operating temperature range. Unless otherwise specified, VIN = VOUT + 1V, IL = 1000 mA, CL = 10 μF. The MIC2941A

is programmed to output 5V and has VSHUTDOWN 0.6V.

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

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