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YB1211ST25

300mA External Adjustable LDO Regulator

Description TheYB1211isalow-noise,lowdropout(LDO)linearregulatorwithenablefunctionandexternaladjustableoutputvoltage.Itoperatesataninputsupplyof2.0~6.0Vandisabletooutputvoltagesrangingfrom1.23V(TheYB1211internalreferencevoltage)to5Vbyafeedbackfroma

YB1211ST25

300mA External Adjustable LDO Regulator; ? 1.235V Internal Reference Voltage\n? Adjustable Output Voltage : 1.22~5.0V\n? Low-Noise and Low-Drop-Out\n? Typical Output Current : 300mA\n? Low Quiescent Current: ~60μA\n? 320mV Dropout at 300mA 3.3V Output\n? Stable with 1.0μF Ceramic Capacitor\n? Only Need Input and Output Capacitors\n? Thermal Protection Shutdown\n? Output Short-Circuit Current Limit\n? Built-In Internal Soft-Start\n? Green Package (RoHS) AvailableApplications\n? PDA, Notebook, PC Computers\n? DSC, Handset Camera Modules\n? PCMCIA Cards, PC Cameras\n? USB Based Portable Devices\n? GSM/GPRS/3G RF Transceiver\n? Wireless LANs\n? Bluetooth Portable Radios\n? Battery-Powered Devices?;

Description\nThe YB1211 is a low-noise, low dropout (LDO) linear regulator with enable function and external adjustable output voltage. It operates at an input supply of 2.0~6.0V and is able to output voltages ranging from 1.23V (The YB1211 internal reference voltage) to 5V by a feedback from a pair of resistor divider.