DESCRIPTION
The SPX1521 is a low power voltage regulator. This device is an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and portable computers. The SPX1521 features very low quiescent current and very low dropout voltage. This includes a tight initial tolerance of ±1% max, and very low output temperature coefficient, making the SPX1521 useful as a low-power voltage reference.
The SPX1521 is offered in 3 pin TO-252, SOT-223, TO-220 & TO-263 packages.

FEATURES
■ 1% Output Accuracy 3.3V, 5V, at 300mA Output 
■ Very Low Quiescent Current
■ 0.3V (Typ.) Dropout Voltage at 300mA
■ Extremely Tight Load and Line Regulation
■ Current & Thermal Limiting
■ Reverse Battery Protection
■ Equivalent Replacement For LT1521
■ Available in RoHS Compliant, Lead Free Packages: TO-252, SOT-223, TO-220 & TO-263