SP6203

® SP6203/6205 Low Noise, 300mA and 500mA CMOS LDO Regulators FEATURES ■ Very Low Dropout Voltage: 0.6Ω PMOS Pass Device ■ Accurate Output Voltage: 2% over Temperature ■ Guaranteed 500mA Output Current: SP6205 ■ Ultra Low Noise Output: 12µVRMS with 10nF Bypass ■ Unconditionally Stable with 2.2µF Ceramic ■ Low Quiescent Current: 45µA ■ Very Low Ground Current: 350µA at 500 mA ■ Power-Saving Shutdown Mode: < 1µA ■ Fast Turn-On and Turn-Off: 60us ■ Fast Transient Response ■ Current Limit and Thermal Shutdown Protection ■ Very Good Load/Line Regulation: 0.07/0.04% ■ Excellent PSRR: 67dB<1kHz ■ Industry Standard 5 pin SOT-23 and Small 8 pin DFN Package ■ Fixed Output Voltages: 2.5V, 2.7V, 2.8V, 2.85V, 3.0V and 3.3V ■ Adjustable Output Available Fixed VOUTSENSE BYP GND EN 1 2 3 4 8 VOUT ADJ 1 2 3 4 Adjustable 8 VOUT SP6203 SP6205 8 Pin DFN 7 6 5 NC NC NC GND VIN EN SP6203 SP6205 8 Pin DFN 7 6 5 NC NC VIN Now Available in Lead Free Packaging APPLICATIONS ■ Cellular / GSM Phones ■ Laptop / Palmtop Computers ■ Battery-Powered Systems ■ Pagers ■ Medical Devices ■ MP3/CD Players ■ Digital Still Cameras DESCRIPTION The SP6203/6205 are ultra low noise CMOS LDOs with very low dropout and ground current. The noise performance is achieved by means of an external bypass capacitor without sacrificing turn-on and turn-off speed critical to portable applications. Extremely stable and easy to use, these devices offer excellent PSRR and Line/Load regulation. Target applications include ...