PL2211_07 Datasheet, PDF (1/9 Pages) Power IC Ltd. – Dual Low Noise LDO in 3mm×3mm MLF

Dual Low Noise LDO
in 3mm×3mm MLF^TM
FEATURES
• 300mA+300mA dual channel high accuracy
LDO
• Ultra low output noise: 140μV_RMS
• Low ground current: 200μA
• 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
TYPICAL APPLICATION
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.
July 2007
www.picsemi.com
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