MIC5270-5.0BM5TR Micrel Semiconductor, MIC5270-5.0BM5TR Datasheet

MIC5270-5.0BM5TR

Manufacturer Part Number

MIC5270-5.0BM5TR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC5270-3.0YM5TR.pdf (8 pages)

Specifications of MIC5270-5.0BM5TR

Date_code

05+

Packing_info

SOT-153

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General Description

The MIC5270 is a µCap 100mA negative regulator in a

SOT-23-5 package. With better than 2% initial accuracy, this

regulator provides a very accurate supply voltage for applica-

tions that require a negative rail. The MIC5270 sinks 100mA

of output current at very low dropout voltage (600mV maxi-

mum at 100mA of output current).

The µCap regulator design is optimized to work with low-

value, low-cost ceramic capacitors. The output typically re-

quires only a 1µF capacitance for stability.

Designed for applications where small packaging and effi-

ciency are critical, the MIC5270 combines LDO design exper-

tise with IttyBitty

reduce power dissipation. Ground current is optimized to help

improve battery life in portable applications.

The MIC5270 is available in the SOT-23-5 package for space

saving applications and it is available with fixed –3.0V, –4.1V,

–5.0V, and adjustable outputs.

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Ordering Information

Typical Application

IttyBitty is a registered trademark of Micrel, Inc.

May 2005

MIC5270

Standard

MIC5270BM5

MIC5270-3.0BM5

MIC5270-4.1BM5

MIC5270-5.0BM5

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

–6.0V

Regulator With Fixed Output

packaging to improve performance and

MIC5270-5.0BM5

1µF

Marking Code

GND

–IN

LLAA

LL30

LL41

LL50

–OUT

10µF

Part Number

PbFree

MIC5270YM5

MIC5270-3.0YM5

MIC5270-4.1YM5

MIC5270-5.0YM5

–5.0V

OUT

Marking Code

LLAA

LL30

LL41

LL50

Features

• Stable with ceramic or tantalum capacitor

• Low dropout voltage: 500mV @ 100mA

• Low ground current: 35µA @ load = 100µA

• Tight initial accuracy: ±2%

• Tight load and line regulation

• Thermal shutdown

• Current limiting

• IttyBitty

Applications

• GaAsFET bias

• Portable cameras and video recorders

• PDAs

• Battery-powered equipment

Cap Negative Low-Dropout Regulator

Regulator With Adjustable Output

SOT-23-5 packaging

–6.0V

Voltage

–3.0V

–4.1V

–5.0V

Adj.

MIC5270

1µF

–40°C to +125°C

MIC5270BM5

GND

–IN

Temp. Range

Junction

–OUT

ADJ

10µF

–5.0V

SOT-23-5

Package

OUT

M9999-052705

Micrel, Inc.

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