MIC5159YM6TR Micrel Semiconductor, MIC5159YM6TR Datasheet

MIC5159YM6TR

Manufacturer Part Number

MIC5159YM6TR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC5159YM6TR.pdf (23 pages)

Specifications of MIC5159YM6TR

Date_code

05+

Packing_info

SOT-163

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MIC5159YM6TR

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MICREL

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General Description

Micrel’s

controller. Used with an external P-Channel MOSFET, the

MIC5159 forms a two-chip low-dropout regulator capable

of driving a wide range of output currents.

The MIC5159 operates from an input of 1.65V to 5.5V. The

low input voltage allows the MIC5159 to operate off of high

power 1.8V rails to generate lower voltages such as 1.5V.

Features of the MIC5159 include enable input and current-

limit protection. As a µCap design, the MIC5159 is stable

with ceramic output capacitors.

The MIC5159 is packaged in the IttyBitty

is offered in fixed and adjustable output voltages. Junction

temperature range of the MIC5159 is from –40°C to

+125°C.

Typical Application

IttyBitty is a registered trademark of Micrel, Inc.

June 2006

GND

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

MIC5159

U1 MIC5159BM6/YM6

Adjustable Output Voltage

GND

GATE

Q1–Q4

SUB15P01–52 × 4

precision-voltage

SOT-23-6, and

regulator

GND

OUT

Features

• Fast transient response

• Input voltage range: V

• ±1.0% initial output tolerance

• Fixed 1.8V or adjustable output voltage down to 1.25V

• Stable with ceramic output capacitor

• Capable up to 10A

• Excellent line and load regulation specifications

• Logic-controlled shutdown

• Programmable current limit

• Current-limit protection

• IttyBitty

• Available temperature range:–40°C to +125°C

•

Applications

• Ultra-high current, ultra-low dropout voltage regulator

• High-efficiency linear power supplies

• Low-voltage distributed power

• Fixed telecom

• Multimedia and PC power supplies

• Battery chargers

• Low-voltage DSP, microprocessor and microcontroller

408

power supplies

Programmable Current Limit µCap LDO

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

SOT-23-6 package

Regulator Controller

MIC5159

1.65V to 5.5V

OUT

= 3.3V

10A

= 2.5V

= 200µF

100mA

M9999-062706

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