MCP1603-150ISLASHOS datasheet(1/26 Pages) MICROCHIP

tên linh kiện	MCP1603-150I/OS

Giải thích chi tiết về linh kiện	2.0 MHz, 500 mA Synchronous Buck Regulator

PDF	26 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

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DS22042A-page 1

MCP1603

Features

• Over 90% Typical Efficiency

• Output Current Up To 500 mA

• Low Quiescent Current = 45 µA, typical

• Low Shutdown Current = 0.1 µA, typical

• Adjustable Output Voltage:

- 0.8V to 4.5V

• Fixed Output Voltage:

- 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V

• 2.0 MHz Fixed-Frequency PWM (Heavy Load)

• Automatic PWM to PFM Mode Transition

• 100% Duty Cycle Operation

• Internally Compensated

• Undervoltage Lockout (UVLO)

• Overtemperature Protection

• Space Saving Packages:

- 5-Lead TSOT

- 8-Lead 2X3 DFN

Applications

• Cellular Telephones

• Portable Computers

• Organizers / PDAs

• USB Powered Devices

• Digital Cameras

• Portable Equipment

• +5V or +3.3V Distributed Systems

General Description

The MCP1603 is a high efficient, fully integrated

500 mA synchronous buck regulator whose 2.7V to

5.5V input voltage range makes it ideally suited for

applications powered from 1-cell Li-Ion or 2-cell/3-cell

NiMH/NiCd batteries.

At heavy loads, the MCP1603 operates in the 2.0 MHz

fixed frequency PWM mode which provides a low

noise, low output ripple, small-size solution. When the

load is reduced to light levels, the MCP1603

automatically changes operation to a PFM mode to

minimize quiescent current draw from the battery. No

intervention is necessary for a smooth transition from

one mode to another. These two modes of operation

allow the MCP1603 to achieve the highest efficiency

over the entire operating current range.

The MCP1603 is available with either an adjustable or

fixed output voltage. The available fixed output voltage

options are 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V. When a

fixed option is used, only three additional small external

components are needed to form a complete solution.

Couple this with the low profile, small-foot print

packages and the entire system solution is achieved

with minimal size.

Additional

protection

features

include:

UVLO,

overtemperature, and overcurrent protection.

Package Types

1

2

3

4

5 LX

VFB/VOUT

SHDN

GND

VIN

5-Lead TSOT

MCP1603

1

2

34

5

LX

VFB/VOUT

SHDN

GND

VIN

MCP1603L

1

2

3

4

8

7

6

5

LX

VFB/VOUT

SHDN

GND

VIN

NC

8-Lead 2x3 DFN

2.0 MHz, 500 mA Synchronous Buck Regulator

Số phần tương tự - MCP1603-150I/OS

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	MCP1603-150I/MC	796Kb / 34P	2.0 MHz, 500 mA Synchronous Buck Regulator 2007-2012 11/29/11

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	MCP1601	683Kb / 22P	500 mA Synchronous BUCK Regulator 2003
	TC1313	542Kb / 28P	500 mA Synchronous Buck Regulator, 300 mA LDO 2005
	TC1313	621Kb / 32P	500 mA Synchronous Buck Regulator, 300 mA LDO 2009
ON Semiconductor	NCP1597A	350Kb / 13P	1 MHz, 2.0 A Synchronous Buck Regulator June, 2010 ??Rev. 0
Microchip Technology	MCP1602	464Kb / 26P	2.0 MHz, 500 mA Synchronous Buck Regulator with Power-Good 2007
Fairchild Semiconductor	FAN53600	1Mb / 16P	3 MHz, 600 mA / 1A Synchronous Buck Regulator
Microchip Technology	MCP1601	511Kb / 24P	500 mA Synchronous BUCK Regulator 11/29/12
Microchip Technology	MCP1603	796Kb / 34P	2.0 MHz, 500 mA Synchronous Buck Regulator 2007-2012 11/29/11
ON Semiconductor	FAN5361	1Mb / 18P	6 MHz, 600 mA / 750 mA Synchronous Buck Regulator October-2017, Rev. 2
ON Semiconductor	FAN53600	1Mb / 16P	3 MHz, 600 mA / 1A Synchronous Buck Regulator March 2016 Rev. 1.4

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