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RT9017-34GB Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9017-34GB Datasheet(HTML) 1 Page - Richtek Technology Corporation |
1 / 12 page RT9017 Preliminary 1 DS9017-03 August 2007 www.richtek.com 500mA Peak, Thermal Folded Back CMOS LDO Regulator General Description The RT9017 is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9017 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 RT9017 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The RT9017 consumes less than 0.01 μA in shutdown mode and has fast turn-on time less than 50 μs. RT9017 is short circuit thermal folded back protected. RT9017 lowers its OTP trip point from 165 °C to 110°C when output short circuit occurs (VOUT < 0.4V) providing maximum safety to end users. 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 and WDFN-6L 2x2 packages, the RT9017 also offers a range of 1.5V to 3.5V 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 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. Features Short Circuit Thermal Folded Back Protection 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 : 380mV @ 500mA 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 Pin Configurations (TOP VIEW) 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. SOT-23-3 1 2 3 GND VOUT VIN RT9017- Package Type 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 : 34 : 3.4V 35 : 3.5V 1H : 1.85V 2H : 2.85V EN GND NC NC VOUT VIN 5 4 1 2 3 6 7 WDFN-6L 2x2 |
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