Datasheet > RT9198-50PU5R

RT9198-50PU5R

更新时间： 2025-08-09 05:05:15

品牌	Logo	应用领域
立锜 - RICHTEK		稳压器
页数	文件大小	规格书
15页	251K
描述
300mA, Low Noise, Ultra-Fast CMOS LDO Regulator

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RT9198-50PU5R 数据手册

RT9198/A

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

General Description

Features

^zLow-Noise for RF Application

The RT9198/A is designed for portable RF and wireless

applications with demanding performance and space

requirements. The RT9198/Aperformance is optimized for

battery-powered systems to deliver ultra low noise and

low quiescent current. Regulator ground current increases

only slightly in dropout, further prolonging the battery life.

The RT9198/A also works with low-ESR ceramic

capacitors, reducing the amount of board space necessary

for power applications, critical in hand-held wireless

devices. The RT9198/A consumes less than 0.01μA in

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

The other features include ultra low dropout voltage, high

output accuracy, current limiting protection, and high ripple

rejection ratio. Available in the SOT-23-3, SOT-23-5,

SC-70-5, SC-82 and WDFN-6L2x2 packages, the RT9198/

A also offers a range from 1.5V to 5.0V with 0.1V per

step.

^zFast Response in Line/Load Transient

^zQuick Start-Up (Typically 50μs)

^z< 0.01μA Standby Current When Shutdown

^zLow Dropout : 220mV @ 300mA

^zWide Operating Voltage Ranges : 2.5V to 5.5V

^zTTL-Logic-Controlled Shutdown Input

^zLow Temperature Coefficient

^zCurrent Limiting Protection

^zThermal Shutdown Protection

^zOnly 1μF Output Capacitor Required for Stability

^zHigh Power Supply Rejection Ratio

z Custom Voltage Available

z RoHS Compliant and 100% Lead (Pb)-Free

Ordering Information

RT9198/A-

Package Type

U5 : SC-70-5

Applications

U5R : SC-70-5 (R-Type)

Y : SC-82

V : SOT-23-3

B : SOT- 23-5

BR : SOT- 23-5 (R-Type)

QW : WDFN-6L 2x2 (W-Type)

z CDMA/GSM Cellular Handsets

z Battery-Powered Equipment

z Laptop, Palmtops, Notebook Computers

z Hand-Held Instruments

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

z PCMCIA Cards

z Portable InformationAppliances

Output Voltage

15 : 1.5V

16 : 1.6V

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.

49 : 4.9V

50 : 5.0V

1H : 1.85V

2H : 2.85V

4G : 4.75V

Chip Enable Function (Active Low)

Chip Enable Function (Active High)

Note :

RichTek Pb-free and Green 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.

`100% matte tin (Sn) plating.

DS9198/A-10 November 2006

www.richtek.com

12 3 4 5 6 7...15

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