PRODUCT DESCRIPTION
The SPX3819 is a low powered positive voltage regulator with ultra low noise output and very low voltage dropout. In addition, this device offers very low quiescent current of approximately 800uA at 100mA output. The SPX3819 initial tolerance is less than 1% max with logic compatible ON/OFF switching input. The unique feature of SPX3819 includes a reference bypass pin for the best results of low noise.

FEATURES
• Ultra-Low Noise Output LDO
• 1% Initial Accuracy At 500mA
• Very Low Quiescent Current
• Low Dropout Voltage (300mV At 500mA)
• Current & Thermal Limiting
• Reverse-Battery Protection
• Several Fix Output Voltages, 2.5, 3.3, 5.0V & Adjustable
• Zero Off-Mode Current
• Packages offered SO-8, TO-263, SOT-223, SOT-23 & TO-220
• Pin Compatible to MIC5209 (Fixed Option Only)

APPLICATIONS
• Battery Powered Systems
• Cordless Telephones
• Radio Control Systems
• Portable/Palm Top/Notebook Computers
• Portable Consumer Equipment
• Portable Instrumentation
• Bar Code Scanners
• SMPS Post-Regulator