MIC5207-2.5BM5 Micrel Semiconductor, MIC5207-2.5BM5 Datasheet

MIC5207-2.5BM5

Manufacturer Part Number

MIC5207-2.5BM5

Description

Manufacturer

Micrel Semiconductor

Datasheets

1.MIC5207BM5.pdf (10 pages)

2.MIC5207-2.5BM5.pdf (12 pages)

Specifications of MIC5207-2.5BM5

Case

SOT-23

Date_code

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MIC5207-2.5BM5

Manufacturer:

MICREL

Quantity:

1 310

Company:

Meier Automation Equipment Co., Limited

Part Number:

MIC5207-2.5BM5

Manufacturer:

MICREL

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MIC5207-2.5BM5X

Manufacturer:

MICREL

Quantity:

5 321

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MIC5207

General Description

The MIC5207 is an efficient linear voltage regulator with ultra-

low-noise output, very low dropout voltage (typically 17mV at

light loads and 165mV at 150mA), and very low ground

current (720 A at 100mA output). The MIC5207 offers better

than 3% initial accuracy.

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

the MIC5207 includes a CMOS or TTL compatible enable/

shutdown control input. When shutdown, power consump-

tion drops nearly to zero.

Key MIC5207 features include a reference bypass pin to

improve its already low-noise performance, reversed-battery

protection, current limiting, and overtemperature shutdown.

The MIC5207 is available in fixed and adjustable output

voltage versions in a small SOT-23-5 package. Contact

Micrel for details.

For low-dropout regulators that are stable with ceramic

output capacitors, see the Cap MIC5245/6/7 family.

Typical Application

January 2000

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 Marketing for information.

Part Number*

MIC5207BM5

MIC5207-1.8BM5

MIC5207-2.5BM5

MIC5207-3.0BM5

MIC5207-3.3BM5

MIC5207-3.6BM5

MIC5207-3.8BM5

MIC5207-4.0BM5

MIC5207-5.0BM5

MIC5207-3.3BZ

Battery-Powered Regulator Application

EN (pin 3) may be

connected directly

to IN (pin 1).

Shutdown

Enable

MIC5207-x.xBM5

Marking

LEAA

LE18

LE25

LE30

LE33

LE36

LE38

LE40

LE50

Features

• Ultra-low-noise output

• High output voltage accuracy

• Guaranteed 180mA output

• Low quiescent current

• Low dropout voltage

• Extremely tight load and line regulation

• Very low temperature coefficient

• Current and thermal limiting

• Reverse-battery protection

• “Zero” off-mode current

• Logic-controlled electronic enable

Applications

• Cellular telephones

• Laptop, notebook, and palmtop computers

• Battery-powered equipment

• PCMCIA V

• Consumer/personal electronics

• SMPS post-regulator/dc-to-dc modules

• High-efficiency linear power supplies

—

(OPTIONAL)

BYP

180mA Low-Noise LDO Regulator

Voltage

tantalum

Adj

OUT

1.8

2.5

3.0

3.3

3.6

3.8

4.0

5.0

3.3

OUT

= 2.2µF

Low-Noise Operation:

and V

BYP

Junction Temp. Range

= 470pF, C

MIC5207

–40 C to +125 C

0 C to +125 C

regulation/switching

OUT

2.2µF

SOT-23-5

Package

TO-92

MIC5207

Micrel

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