RT9009 datasheet(1/9 Pages) RICHTEK

Part #	RT9009

Description	2.5A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator

PDF	9 Pages

Scroll/Zoom	100%

Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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1 / 9 page

RT9009

1

DS9009-01 April 2011

www.richtek.com

Pin Configurations

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

2.5A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator

Ordering Information

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 1

μA in shutdown mode

and has fast turn-on time of less than 400

μs. 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.

(TOP VIEW)

TO-263S-5

Features

Ultra Fast Response in Line/Load Transient

< 1

μμμμμA 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

Note :

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.

4

2

3

5

1

GND

ADJ

VOUT (TAB)

EN

VIN

RT9009

Package Type

MS5 : TO-263S-5

Lead Plating System

P : Pb Free

G : Green (Halogen Free and Pb Free)

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