RT9193-18PB利盛达咨询电话:139 2843 4054

RT9193-18PB 概述

RT9193-18PB 是专为满足便携式设备的射频和无线应用的苛刻性能与空间要求而设计。RT9193-18PB在1mA的负载时DROPOUT电压仅为1mV,在150mA负载时 DROPOUT电压低于200mV。RT9193-18PB还具有极低的静态电流(典型值<100uA),当ENPIN=Low时更可以使晶片的Standby电流低于1uA,延长电池的工作时间。外加Bypass电容可以极大的抑制杂讯,PSRR高达70dB(Typ)。RT9193-18PB具有过流保护、温度保护功能。输出电压共有 3.3V、2.8V、2.5V、1.8V、1.5V。封装形式:SOT-23-5

The RT9193-18PB is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9193-18PB 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 RT9193-18PB also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The RT9193-18PB 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 SC-70-5, SOT-23-5, TSOT-23-5, WDFN-6L 2x2 and MSOP-8 packages.

RT9193-18PB Ordering Info

Note :
Richtek Pb-free and Green products are :
► RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
► Suitable for use in SnPb or Pb-free soldering processes.

RT9193-18PB Features
•超快速瞬态 响应
•低压差:220mV @300毫安

• Ultra Low Noise for RF Application
• Ultra Fast Response in Line/Load Transient
• Quick Start-Up (Typically 50μs)
• < 0.01μA 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 1μF Output Capacitor Required for Stability
• High Power Supply Rejection Ratio
• Custom Voltage Available
• RoHS Compliant and 100% Lead (Pb)-Free
RT9193-18PB  Application
•CDMA / GSM蜂窝手机

• CDMA/GSM Cellular Handsets
• Battery-Powered Equipment
• Laptop, Palmtops, Notebook Computers
• Hand-Held Instruments
• PCMCIA Cards
• Portable Information Appliances
RT9193-18PB  Pin Configurations


WDFN-6L 2x2



RT9193-18PBTypical Applications Circuit

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