RT9009 Datasheet, PDF (1/9 Pages) Richtek Technology Corporation – 2.5A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator

RT9009
2.5A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator
General Description
The RT9009 is a high performance, 2.5A LDO regulator,
offering extremely high PSRR and ultra-low dropout. Ideal
for portable RF and wireless applications with demanding
performance and space requirements.
Regulator ground current increases only slightly in dropout,
further prolonging the battery life. The RT9009 also works
with low-ESR ceramic capacitors, reducing the amount of
board space necessary for power applications that is critical
in hand-held wireless devices.
The RT9009 consumes less than 1μA in shutdown mode
and has fast turn-on time of less than 400μs. The other
features include ultra-low dropout voltage, high output
accuracy, current limiting protection, and high ripple
rejection ratio. The RT9009 is available in the TO-263S-5
package.
Ordering Information
RT9009
Note :
Package Type
MS5 : TO-263S-5
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Richtek products are :
` RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Features
Ultra Fast Response in Line/Load Transient
< 1μA Shutdown Current
Low Dropout : 520mV at 2A
Wide Operating Voltage Ranges : 2.5V to 5.5V
TTL-Logic-Controlled Shutdown Input
Current Limiting Protection
Thermal Shutdown Protection
Low-ESR Ceramic Output Capacitor Required for
Stability
High Power Supply Rejection Ratio
RoHS Compliant and 100% Lead (Pb)-Free
Applications
Game Console
CDMA/GSM Cellular Handsets
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instruments
Mini PCI & PCI-Express Cards
PCMCIA & New Cards
Portable Information Appliances
Pin Configurations
(TOP VIEW)
5
GND
4
ADJ
3
VOUT (TAB)
2
EN
1
VIN
TO-263S-5
DS9009-01 April 2011
www.richtek.com
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