STK412-150C-E

Overview

The STK412-150C-E is a two-channel shift power supply audio power amplifier IC manufactured by onsemi. It belongs to the STK412 series of Class H audio power amplifier hybrid ICs. The device features a built-in shift power supply circuit that controls and switches the supply voltage to internal power transistors based on the detected level of the input audio signal. This mechanism provides high-efficiency audio power amplification. The component is designed for applications requiring robust audio output with integrated thermal protection.

Feature Summary

• Integrated shift power supply circuit for dynamic voltage control
• Class H architecture for enhanced energy efficiency
• Built-in thermal protection mechanisms

Applications

• High-fidelity audio amplifiers
• Home theater systems
• Professional audio equipment

Procurement Notes

Verify the manufacturer marking matches onsemi specifications. Confirm the package type and pinout alignment with the official datasheet. Ensure the part number suffix corresponds to the correct temperature rating and packaging variant. Cross-reference the date code and lot number against current production records to confirm authenticity and availability status.

Selection Notes

Select this component when designing audio systems requiring Class H efficiency and integrated power management. Compare performance metrics such as total harmonic distortion and output power against alternative amplifier ICs. Consider the thermal dissipation requirements and ensure adequate heat sinking is provided for the specific enclosure design.

Part Context

This component is part of the broader STK412 series, which includes variants like the STK412-000 and STK412-170. These devices are widely used in consumer electronics for audio amplification. The series is known for its reliability and compact hybrid IC construction, suitable for replacing discrete transistor solutions in legacy designs.

Replacement Considerations

Direct substitutes include other models within the STK412 series, such as the STK412-000 or STK412-170, depending on the required output power. Verify pin compatibility and thermal characteristics before substitution.