sipex_sp6231.pdf PRELIMINARY INFORMATION SP6231 500mA, 3.3V Linear Regulator with Auxiliary Backup FEATURES s “Tiny” MLP Package Offers Excellent Thermal VAUX 1 8 VOUT Characteristics SP6231 s “Glitch Free” Transition between Two Supplies GND 2 7 VIN 6 Pin MLP 3X3 ……