MIC2941AWT datasheet(1/24 Pages) MICROCHIP

tên linh kiện	MIC2941AWT

Giải thích chi tiết về linh kiện	1.25A Low Dropout Voltage Regulator

PDF	24 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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DS20006000B-page 1

MIC2940A/41A

Features

• High Output Voltage Accuracy

• Guaranteed 1.25A Output

• Low Quiescent Current

• Low Dropout Voltage

• Extremely Tight Load and Line Regulation

• Very Low Temperature Coefficient

• Current and Thermal Limiting

• Input Can Withstand –20V Reverse Battery and

+60V Positive Transients

• Logic-Controlled Electronic Shutdown

• Output Programmable from 1.24V to 26V

(MIC2941A)

• Available in TO-220-3, TO-263-3, TO-220-5, and

TO-263-5 Packages

Applications

• Battery-Powered Equipment

• Cellular Telephones

• Laptop, Notebook, and Palmtop Computers

• PCMCIA VCC and VPP Regulation/Switching

• Barcode Scanners

• Automotive Electronics

• SMPS Post-Regulator/DC-to-DC Modules

• Voltage Reference

• High Efficiency Linear Power Supplies

General Description

The MIC2940A and MIC2941A are “bulletproof”

efficient voltage regulators with very low dropout

voltage (typically 40 mV at light loads and 350 mV at

1A), and low quiescent current (240 μA typical). The

quiescent current of the MIC2940A increases only

slightly in dropout, thus prolonging battery life. Key

MIC2940A features include protection against

reversed battery, fold-back current-limiting, and

automotive “load dump” protection (60V positive

transient).

The MIC2940A is available in both fixed voltage (3.3V,

5V, and 12V) and adjustable voltage configurations.

The MIC2940A-xx devices are three pin, fixed-voltage

regulators. A logic-compatible shutdown input is

provided on the adjustable MIC2941A, which enables

the regulator to be switched on and off.

Package Types

MIC2940A-X.XWT

TO-220-3 (T)

(Top View)

12

3

12

3

MIC2940A-X.XWU

TO-263-3 (U)

(Top View)

12

3

4

5

MIC2941AWU

TO-263-5 (U)

(Top View)

12 3 4

5

MIC2941AWT

TO-220-5 (T)

(Top View)

1.25A Low Dropout Voltage Regulator

Số phần tương tự - MIC2941AWT

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Micrel Semiconductor	MIC2941AWT	329Kb / 11P	1.2A Low-Dropout Voltage Regulator
Micrel Semiconductor	MIC2941AWT	329Kb / 11P	1.2A Low-Dropout Voltage Regulator

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