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RT9198-4GPQW Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9198-4GPQW Datasheet(HTML) 1 Page - Richtek Technology Corporation |
1 / 15 page RT9198/A 1 DS9198/A-10 November 2006 www.richtek.com 300mA, Low Noise, Ultra-Fast CMOS LDO Regulator General Description The RT9198/A is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9198/A performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The RT9198/A also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The RT9198/A consumes less than 0.01 μA in shutdown mode and has fast turn-on time less than 50 μs. The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. Available in the SOT-23-3, SOT-23-5, SC-70-5, SC-82 and WDFN-6L 2x2 packages, the RT9198/ A also offers a range from 1.5V to 5.0V with 0.1V per step. Applications CDMA/GSM Cellular Handsets Battery-Powered Equipment Laptop, Palmtops, Notebook Computers Hand-Held Instruments PCMCIA Cards Portable Information Appliances Ordering Information Features Low-Noise for RF Application Fast Response in Line/Load Transient Quick Start-Up (Typically 50 μμμμμs) < 0.01 μμμμμA 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 1 μμμμμF Output Capacitor Required for Stability High Power Supply Rejection Ratio Custom Voltage Available RoHS Compliant and 100% Lead (Pb)-Free Note : RichTek Pb-free and Green products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. 100% matte tin (Sn) plating. Marking Information For marking information, contact our sales representative directly or through a RichTek distributor located in your area, otherwise visit our website for detail. RT9198/A- Package Type U5 : SC-70-5 U5R : SC-70-5 (R-Type) Y : SC-82 V : SOT-23-3 B : SOT- 23-5 BR : SOT- 23-5 (R-Type) QW : WDFN-6L 2x2 (W-Type) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) Output Voltage 15 : 1.5V 16 : 1.6V : 49 : 4.9V 50 : 5.0V 1H : 1.85V 2H : 2.85V 4G : 4.75V Chip Enable Function (Active Low) Chip Enable Function (Active High) |
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