RT9178 Datasheet | Richtek

® 200m A, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator General Description Features The RT9178 is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9178’ s performance is optimized for batterypowered systems to deliver ultra low noise and low quiescent current. A noise bypass pin is also available for further reduction of output noise. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The RT9178 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The RT9178 consumes less than 0.01u A in shutdown mode and has fast turn-on time less than 100us. The other Features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. Available in the SOT-23-5 package. Ordering Information RT9178- Package Type B : SOT-23-5 BR : SOT-23-5 (R-Type) Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free) Note : Output Voltage 24 : 2.4V 25 : 2.5V : 31 : 3.1V 32 : 3.2V 2H : 2.85V Richtek products are :  Ro HS pliant and patible with the current require- ments of IPC/JEDEC J-STD-020.  Suitable for use in Sn Pb or Pb-free soldering processes. - Ultra-Low-Noise for RF Application - Ultra-Fast Response in Line/Load Transient - Quick Start-Up (Typically 100us) - < 0.01u A Quiescent Current When Shutdown - Low Dropout : 200m V at 200m A - Wide Operating Voltage Ranges : 2.5V to 6V - TTL-Logic-Controlled Shutdown Input - Low Temperature Coefficient - Current Limiting Protection - Thermal Shutdown Protection - Only 1u F Output Capacitor Required for Stability - High Power Supply Rejection Ratio - Custom Voltage...