MIC5268-1.2BM5 Micrel Semiconductor, MIC5268-1.2BM5 Datasheet

MIC5268-1.2BM5

Manufacturer Part Number

MIC5268-1.2BM5

Description

Manufacturer

Micrel Semiconductor

Datasheets

1.MIC5268-1.2BM5.pdf (8 pages)

2.MIC5268-1.2BM5.pdf (9 pages)

Specifications of MIC5268-1.2BM5

Case

SOT-23

Date_code

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

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Part Number:

MIC5268-1.2BM5

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Part Number:

MIC5268-1.2BM5

Manufacturer:

MICREL

Quantity:

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Company:

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Part Number:

MIC5268-1.2BM5 TR

Manufacturer:

MICREL

Quantity:

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MIC5268-1.2BM5 TR

Manufacturer:

MAXIM

Quantity:

Company:

Meier Automation Equipment Co., Limited

Part Number:

MIC5268-1.2BM5TR

Manufacturer:

MICROCHIP/微芯

Quantity:

20 000

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Download datasheet (59Kb)

MIC5268

General Description

The MIC5268 is an efficient, precise CMOS voltage regulator

with power good output. The MIC5268 offers better than 3%

initial accuracy, and constant ground current (typically

100 A)over load .

The MIC5268 also works with low-ESR ceramic capacitors,

reducing the amount of board space necessary for power

applications, critical in hand-held wireless devices.

Key features include current limit, thermal shutdown, a push-

pull output for faster transient response, and an active clamp

to speed up device turnoff. Available in the IttyBitty™ SOT-23-5

package, the MIC5268 is a fixed 1.2V regulator.

Typical Application

September 2002

IttyBitty is a trademark of Micrel, Inc.

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

Ordering Information

Other voltages available. Contact Micrel for details.

Part Number

MIC5268-1.2BM5

1.2V Regulator with Power Good

EN (pin 3) may be

connected directly

to IN (pin 1).

Shutdown

Enable

MIC5268-x.xBM5

Marking

47k

L512

Features

• Power Good indicator

• Load independent, ultralow ground current: 100 A

• 150mA output current

• Current limiting

• Thermal shutdown

• Tight load and line regulation

• “Zero” off-mode current

• Stability with low-ESR capacitors

• Fast transient response

• TTL-Logic-controlled enable input

Applications

• Processor power-up sequencing

• Laptop, notebook, and palmtop computers

• PCMCIA V

150mA Cap CMOS LDO Regulator w/Power Good

Voltage

OUT

1.2

OUT

Preliminary Information

and V

Junction Temp. Range*

MIC5268

–40 C to +125 C

regulation/switching

SOT-23-5

Package

MIC5268

Micrel

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