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RT9004 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9004 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 12 page  RT9004 Preliminary 1 DS9004-00 February 2008 www.richtek.com Features Short Circuit Thermal Folded Back Protection Low-Noise for RF Application Fast Response in Line/Load Transient Quick Start-Up (Typically 50us) Low Dropout : 220mV @ 300mA Wide Operating Voltage Ranges : 2.5V to 5.5V TTL-Logic-Controlled Shutdown Input Low Temperature Coefficient Thermal Shutdown Protection Only 1uF Output Capacitor Required for Stability High Power Supply Rejection Ratio Custom Voltage Available Small 10-Lead VDFN and WDFN Packages RoHS Compliant and 100% Lead (Pb)-Free Pin Configurations Applications CDMA/GSM Cellular Handsets Battery-Powered Equipment Laptop, Palmtops, Notebook Computers Hand-Held Instruments PCMCIA Cards Portable Information Appliances Ordering Information General Description The RT9004 is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9004 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 RT9004 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The RT9004 consumes less than 0.01uA in shutdown mode and has fast turn-on time less than 50us. RT9004 is short circuit thermal folded back protected. RT9004 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 VDFN-10L 3x3 and WDFN-10L 3x3 packages, the RT9004 also offers custom voltage, range of 1.5V to 3.5V with 0.1V per step. (TOP VIEW) V/WDFN-10L 3x3 300mA, Low Noise, Ultra-Fast CMOS Triple LDOs Regulator 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. RT9004 Package Type QV : VDFN-10L 3x3 (V-Type) QW : WDFN-10L 3x3 (W-Type) Voltage Version : VOUT1/VOUT2/VOUT3 A : 2.8V/2.5V/1.8V B : 3.0V/2.5V/1.8V C : 2.8V/2.8V/1.8V D : 2.8V/1.8V/1.8V E : 3.3V/2.8V/1.8V F : 3.3V/2.8V/2.8V G : 2.5V/2.8V/2.5V H : 2.8V/2.8V/1.5V J : 1.5V/3.3V/3.3V K : 3.0V/3.0V/1.8V Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) VOUT1 VOUT2 EN3 VOUT3 VIN1 EN1 VIN2 VIN3 EN2 9 8 7 1 2 3 4 5 10 GND GND 11 |
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