PL0501
500mA Low-Dropout
Linear Regulator
FEATURES
500mA high accuracy LDO
Output voltage accuracy:
±1%
Ultra low output noise 150μV
RMS
Very low dropout: 175mV @ 500mA
Zero shutdown supply current
TTL-logic-controlled enable input
Thermal and current limit protections
Ultra low droop load transient response
Ultra fast line transient response
Very small ( 1.2mm
×
1.2mm
×
0.6mm )
USP-3L package
Cellular and cordless phones
PDAs
Battery powered portable equipment
Notebook computers
PC peripherals
Wireless LAN cards
MP3 / MP4 / CD Players
Digital camera
USB Hubs, USB 2.0
Mini PCI & PCI express cards
DESCRIPTION
The PL0501 is a CMOS low dropout linear regulator
with ultra-low-noise output, very low dropout
voltage and very low ground current.
The PL0501 operates from a 2.5V to 5.5V input
voltage range and delivers up to 500mA, with low
dropout of 175mV at 500mA. Other features of the
PL0501 include short-circuit protection and thermal-
shutdown protection.
The PL0501 is designed especially for high powered
portable devices. Its unique CMOS design offers
excellent transient response with very low ground
current.
Other key application areas for the PL0501 include
handheld computers, PCMCIA cards and WLAN
cards.
The PL0501 is available in USP-3L package.
APPLICATIONS
TYPICAL APPLICATION CIRCUIT
July 2007
www.picsemi.com
© 2007 Power IC. All Rights Reserved.
1
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