Diodes PAM3108 User Manual download pdf

PAM3108

Document number: DSxxxxx Rev. 1 - 0

1 of 11

www.diodes.com

October 2012

PAM3108

Product Line o

Diodes Incorporated

MAXIMUM 1.5A, ULTRA LOW DROPOUT REGULATOR

Description

The PAM3108 is a high performance positive voltage regulator

designed for use in applications requiring very low Input voltage and

very low dropout voltage at up to 1.5A. It operates with a V

as low

as 1.1V and V

voltage 3V with output voltage programmable as low

as 0.8V. The significant feature includes ultra low dropout, ideal for

applications where V

OUT

is very close to V

. Additionally, there is an

enable pin to further reduce power dissipation while shutdown. The

PAM3108 provides excellent regulation over variations in line, load,

temperature and provides a power OK signal to indicate if the voltage

level of Vo reaches 90% of its rating value.

The PAM3108 is available with SOP-8 (Exposed Pad) and WDFN-

10L 3x3 packages.

Features

• Maximum 1.5A Low-Dropout Voltage Regulator

• High Accuracy Output Voltage ±1.5%

• Typically 150mV Dropout at 1.5A

• Power Good Output

• Output Voltage Pull Low Resistance when Disabled

• Thermal and Over Current Protection

• RoHS Compliant and 100% Lead (Pb)-Free

Pin Assignments

Applications

• Front Side Bus VTT (1.2V/1.5A)

• NoteBook PC Applications

• Motherboard Applications

Typical Applications Circuit

= 0.8V*(1+R1/R2)

1 2 3 4 5 6 ... 10 11

Summary of Contents

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Page 2 - Functional Block Diagram

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Page 5 - Diodes Incorporated

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Page 6

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Page 7 - Application Information

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Page 8 - Marking Information

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Diodes PAM3108 User Manual

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