General Description
The MAX6330/MAX6331 combine a precision shunt regulator with a power-on reset function in a single SOT23-3 package. They offer a low-cost method of operating small microprocessor (µP)-based systems from high-voltage sources, while simultaneously protecting µPs from power-up, power-down, and brownout conditions.

Features
♦100µA to 50mA Shunt Current Range
♦Low Cost
♦3-Pin SOT23 Package
♦±1.5% Tolerance on Output Voltage
♦Three Shunt Voltages Available: 5V, 3.3V, 3.0V
♦Precision Power-On Reset Threshold:
  1.5% Tolerance Available with Either RESET (MAX6331) or RESET (MAX6330) Outputs
♦140ms Reset Timeout Period—No External Components Required

Applications
Controllers
Household Appliances
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Size-Sensitive Equipment
Automotive