MC34063AP

Voltage Regulators - DC DC Switching Regulators Overview

The MC34063AP is a monolithic DC-DC converter from onsemi, designed for step-up, step-down, and inverting configurations. It supports an input voltage range of 3V to 40V with a maximum output switch current of 1.5A. The device operates at switching frequencies up to 100kHz and features a precision 2% reference voltage. Packaged in an 8-pin PDIP format, it functions within a temperature range of 0°C to 70°C. This component integrates the necessary control logic and power switch for efficient voltage regulation in various power supply applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports buck, boost, and inverting topologies
• Integrated high-current power switch
• Fixed frequency operation capability
• Precision internal voltage reference

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered equipment
• Simple DC-to-DC conversion circuits
• Low-cost power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., AP1G) against official datasheets, as generic model names may omit critical package or compliance details. Confirm RoHS status and lead-free requirements directly with the manufacturer or authorized distributors. Ensure the ordering part number matches the exact physical package and thermal characteristics required for your design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for cost-sensitive applications requiring basic voltage conversion without complex feedback loops. Consider the 1.5A peak current limit when sizing external inductors and diodes. Evaluate thermal dissipation needs due to the integrated switch. Compare against newer series like NCP3063 if higher efficiency or additional features are required.

Voltage Regulators - DC DC Switching Regulators Part Context

The MC34063 family is a widely used standard for simple switching regulators. The 'AP' designation typically indicates a plastic DIP package variant. It serves as a foundational component for educational and low-volume industrial designs where simplicity and low cost are prioritized over high efficiency or tight regulation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The MC34063AP1G is a verified lead-free and RoHS-compliant version of the MC34063AP series. Check for pin-compatible alternatives such as the NCP3063 for improved performance. Verify that any substitute maintains the same 8-pin PDIP footprint and electrical specifications.