Dual Low Noise LDO

in 3mm

FEATURES

•

300mA+300mA dual channel high accuracy

LDO

•

Ultra low output noise: 140

•

Low ground current: 200

•

Very low dropout: 150mV @300mA

•

Zero shutdown supply current

•

TTL-logic-controlled independent enable

input

•

Thermal and current limit protections

•

Ultra low droop load transient response

•

Ultra fast line transient response

•

Tiny 10pin 3mm x 3mm MLF (10L-TDLMF )

package

•

Fixed options 1.5V, 1.8V, 2.5V, 2.8V, 3.0V

and 3.3V

APPLICATIONS

•

Dual supply handheld products

•

Cellular and cordless phones

•

Wireless LAN cards

•

Digital camera

•

MP3 / MP4 / CD player

•

Pen drives

•

USB Hubs and USB 2.0

•

Mini PCI & PCI express cards

DESCRIPTION

The PL2211 is a dual CMOS low dropout linear

regulator with ultra-low-noise output, very low

dropout voltage and very low ground current.

The PL2211 operates from a 2.5V to 5.5V input

voltage range and delivers up to 300mA, with low

dropout of 150 mV at 300mA. The other features of

PL2211 include short-circuit protection and thermal-

shutdown protection.

Its dual channel and low noise feature is ideal for

microcontroller

and

DSP

based

handheld

applications.

Other key application areas for PL2211 also include

palmtop computers, PCMCIA cards and WLAN

cards.

The PL2211 has a special feature that if both EN

pin is enabled simultaneously the output of LDO2

delays 20us from output of LDO1 which helps to

minimize inrush startup current.

The PL2211 is available in tiny 10pin 3mm x 3mm

MLF (10L-TDLMF) package with fixed output

voltage versions.

TYPICAL APPLICATION

July 2007

www.picsemi.com

© 2007 Power IC. All Rights Reserved.

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