RT9020 Datasheet - Richtek Technology

RT9020 Low Noise Ultra-Fast With Soft Start CMOS LDO Regulator

Pin Number 1 VIN 2G 3 EN 4 SS 5 VO UT ND Pin Name Supply Input. Common Ground. Enable Input Logic, Active High. When the EN goes to a logic low, the device will be shutdown. Soft Start. Regulator Output. Pin Function Function Block Diagram SS EN R POR OTP V REF Current Limit VIN + MOS Driver VO.

RT9020 500mA, Low Dropout, Low Noise Ultra-Fast With Soft Start CMOS LDO Regulator General D escription The RT9020 is a high-perf ormance, 500mALDO regulator , offering extremely high PSRR n ad ultra-low dropout, ide al for portable RF a nd wireless applications with dem anding performance and space requirements. The RT9020 quiescent current is a s low as 25μA, further prolonging the battery life. The RT9020 also works with low-ESR cera mic ca pacitors, reducing the mount a of board space necess.

RT9020 Features

* include ultra-low dropout voltage, high output a ccuracy, current li miting prote ction, a nd high ri pple rejection ratio. Tiny packages SOT-23-5 and SC-70-5 are available. Feature s Wide Operating Voltage Ranges : 2.2V to 5.5V Low Dropout : 250mV at 500mA 5mA Discharge Current of V OUT when IC Sh

RT9020-RichtekTechnology.pdf