MIC5211-3.3YM6TR Micrel Semiconductor, MIC5211-3.3YM6TR Datasheet

MIC5211-3.3YM6TR

Manufacturer Part Number

MIC5211-3.3YM6TR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC5211-1.82.5BM6TR.pdf (9 pages)

Specifications of MIC5211-3.3YM6TR

Date_code

05+

Packing_info

SOT-163

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MIC5211

General Description

The MIC5211 is a dual µCap 80mA linear voltage regulator

with very low dropout voltage (typically 20mV at light loads),

very low ground current (225µA at 20mA output current),

and better than 3% initial accuracy. This dual device comes

in the miniature SOT-23-6 package, featuring independent

logic control inputs.

The µCap regulator design is optimized to work with low-value,

low-cost ceramic capacitors. The outputs typically require

only 0.1µF of output capacitance for stability.

Designed especially for hand-held, battery-powered devices,

ground current is minimized using Micrel’s proprietary Super

ßeta PNP™ technology to prolong battery life. When disabled,

power consumption drops nearly to zero.

Key features include SOT-23-6 packaging, current limiting,

overtemperature shutdown, and protection against reversed

battery conditions.

The MIC5211 is available in dual 1.8V, 2.5V, 2.7V, 2.8V, 3.0V,

3.3V, 3.6V, and 5.0V versions. Certain mixed voltages are

also available. Contact Micrel for other voltages.

Typical Application

May 2006

Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

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MIC5211

Features

• Stable with low-value ceramic or tantalum capacitors

• Independent logic controls

• Low quiescent current

• Low dropout voltage

• Mixed voltages available

• Tight load and line regulation

• Low temperature coefﬁcient

• Current and thermal limiting

• Reversed input polarity protection

• Zero off-mode current

• Dual regulator in tiny SOT-23 package

• 2.5V to 16V input range

Applications

• Cellular telephones

• Laptop, notebook, and palmtop computers

• Battery-powered equipment

• Bar code scanners

• SMPS post regulator/dc-to-dc modules

• High-efﬁciency linear power supplies

0.1µF

Dual µCap 80mA LDO Regulator

0.1µF

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MIC5211

Micrel, Inc.

MIC5211

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