RT9193-33PB Richtek Technology Corporation, RT9193-33PB Datasheet

RT9193-33PB

Manufacturer Part Number

RT9193-33PB

Description

Manufacturer

Richtek Technology Corporation

Datasheet

1.RT9193-33PB.pdf (14 pages)

Specifications of RT9193-33PB

Date_code

05+

Packing_info

SOT-153

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Download datasheet (299Kb)

300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator

General Description

The RT9193 is designed for portable RF and wireless

applications with demanding performance and space

requirements. The RT9193 performance is optimized for

battery-powered systems to deliver ultra low noise and

low quiescent current. A noise bypass pin is available for

further reduction of output noise. Regulator ground current

increases only slightly in dropout, further prolonging the

battery life. The RT9193 also works with low-ESR ceramic

capacitors, reducing the amount of board space necessary

for power applications, critical in hand-held wireless

devices. The RT9193 consumes less than 0.01uA in

shutdown mode and has fast turn-on time less than 50us.

The other features include ultra low dropout voltage, high

output accuracy, current limiting protection, and high ripple

rejection ratio. Available in the SC-70-5, SOT-23-5,

TSOT-23-5, WDFN-6L 2x2 and MSOP-8 packages.

Ordering Information

Note :

Richtek Pb-free and Green products are :

DS9193-12 February 2009

RT9193

ments of IPC/JEDEC J-STD-020.

RoHS compliant and compatible with the current require-

Suitable for use in SnPb or Pb-free soldering processes.

Features

Applications

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area, otherwise visit our website for detail.

Typical Application Circuit

Ultra-Low-Noise for RF Application

Ultra-Fast Response in Line/Load Transient

Quick Start-Up (Typically 50us)

< 0.01uA Standby Current When Shutdown

Low Dropout : 220mV @ 300mA

Wide Operating Voltage Ranges : 2.5V to 5.5V

TTL-Logic-Controlled Shutdown Input

Low Temperature Coefficient

Current Limiting Protection

Thermal Shutdown Protection

Only 1uF Output Capacitor Required for Stability

High Power Supply Rejection Ratio

Custom Voltage Available

RoHS Compliant and 100% Lead (Pb)-Free

CDMA/GSM Cellular Handsets

Battery-Powered Equipment

Laptop, Palmtops, Notebook Computers

Hand-Held Instruments

PCMCIA Cards

Portable Information Appliances

Chip Enable

1uF/X7R

VIN

GND

RT9193

VOUT

RT9193

www.richtek.com

1uF/X7R

22nF

OUT

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