NCV4264ST33T3G

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The NCV4264ST33T3G is a fixed-output low dropout linear regulator manufactured by onsemi, providing a nominal 3.3 V output with a maximum continuous current capability of 100 mA. Designed for automotive and industrial environments, the device operates within an input voltage range of 4.5 V to 45 V. It features a typical quiescent current of 33 µA and maintains a maximum dropout voltage of 270 mV at full load. The component is qualified to AEC-Q100 standards and supports operation across an extended temperature range from -40 °C to +150 °C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 specifications
• Ultra-low quiescent current consumption for efficient power management
• Wide input voltage tolerance up to 45 V for robust system integration

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive electronic control units requiring stable voltage regulation
• Industrial sensor networks operating in harsh thermal conditions
• Battery-powered systems prioritizing minimal standby power drain

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify that the specific suffix ST33T3G corresponds to the SOT-223-3 package and 3.3 V fixed output variant. Confirm AEC-Q100 qualification status is required for your application environment. Ensure input voltage does not exceed the absolute maximum rating of 45 V during transient events. Cross-reference the datasheet revision date to confirm compatibility with current design specifications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when a fixed 3.3 V rail is needed with high input voltage tolerance. The 100 mA output current suits moderate load applications without requiring external pass transistors. Consider the SOT-223-3 package for surface-mount assembly constraints. Evaluate thermal dissipation requirements based on the voltage differential between input and output loads.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the NCV4264 series of low IQ low dropout linear regulators. The series provides reliable voltage regulation for automotive and general industrial applications. The NCV4264ST33T3G specifically denotes the 3.3 V output version packaged in SOT-223-3. It complements other variants in the family offering different fixed output voltages.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include NCV4264-2CST33T3G which shares identical electrical characteristics and pinout configuration. Verify package compatibility and thermal performance when transitioning between these part numbers.