MIC5235-2.7YM5TR Micrel Semiconductor, MIC5235-2.7YM5TR Datasheet

MIC5235-2.7YM5TR

Manufacturer Part Number

MIC5235-2.7YM5TR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC5235-2.7YM5TR.pdf (9 pages)

Specifications of MIC5235-2.7YM5TR

Date_code

06+

Packing_info

SOT-153

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General Description

The MIC5235 is a 150mA highly accurate, low dropout

regulator with high input voltage and ultra-low ground

current. This combination of high voltage and low ground

current makes the MIC5235 ideal for USB and portable

electronics applications, using 1-cell, 2-cell or 3-cell Li-Ion

battery inputs.

A µCap LDO design, the MIC5235 is stable with either

ceramic or tantalum output capacitor. It only requires a

2.2µF capacitor for stability.

Features of the MIC5235 includes enable input, thermal

shutdown, current limit, reverse battery protection, and

reverse leakage protection.

Available in fixed and adjustable output voltage versions,

the MIC5235 is offered in the IttyBitty

with a junction temperature range of –40°C to +125°C.

Typical Application

IttyBitty is a registered trademark of Micrel, Inc

February 2007

Ultra-Low Current Adjustable Regulator Application

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

=1.0µF

MIC5235BM5

SOT-23-5 package

ceramic

GND

OUT

=18µA

=1.8V

=2.2µF

Features

• Wide input voltage range: 2.3V to 24V

• Ultra low ground current: 18µA

• Low dropout voltage: 310mV at 150mA

• High output accuracy: ±2.0% over temperature

• µCap: stable with ceramic or tantalum capacitors

• Excellent line and load regulation specifications

• Zero shutdown current

• Reverse battery protection

• Reverse leakage protection

• Thermal shutdown and current limit protection

• IttyBitty

• Adjustable output from 1.24V-20V

Applications

• USB power supply

• Cellular phones

• Keep-alive supply in notebook and portable computers

• Logic supply for high-voltage batteries

• Automotive electronics

• Battery powered systems

408

) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

Ultra-Low Quiescent Current, 150mA

SOT-23-5 package

Ground Current vs. Input Voltage

µCap LDO Regulator

OUT

MIC5235

OUT

INPUT VOLTAGE (V)

= 1mA

= 10µA

OUT

= 100µA

M9999-022307

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