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DC/DC Power Solution
RT9013B
300mA, Low Dropout, Low Noise Ultra-Fast WithoutBypass Capacitor CMOS LDO Regulator
General Description

The RT9013B is a high-performance, 300mA LDO regulator, offering extremely high PSRR and ultra-low dropout. The RT9013B is Ideal for portable RF and wireless applications with demanding performance and space requirements.
The RT9013B provides quiescent current to be as low as 25uA to extend the battery life. The RT9013B also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, especially for hand-held wireless devices.
The RT9013B consumes typical 0.7uA in shutdown mode and has fast turn-on time to be less than 40us. The other features include ultra-low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. The RT9013B is available in the SC-70-5 and WDFN-6L 1.6x1.6 packages.
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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.

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Features

• Wide Operating Voltage Range : 2.2V to 5.5V
• Low Dropout : 150mV at 300mA
• Ultra-Low-Noise for RF Application
• Ultra-Fast in Line/Load Transient Response
• Current Limiting Protection
• Thermal Shutdown Protection
• High Power Supply Rejection Ratio
• Only 1uF Output Capacitor Required for Stability
• TTL-Logic-Controlled Shutdown Input
• RoHS Compliant and 100% Lead (Pb)-Free
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Application

• CDMA/GSM Cellular Handsets
• Portable Information Appliances
• Laptop, Palmtops, Notebook Computers
• Hand-Held Instruments
• Mini PCI & PCI-Express Cards
• PCMCIA & New Cards
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Pin Configurations


(TOP VIEW)

SC-70-5

WDFN-6L 1.6x1.6

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Typical Applications Circuit

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