MC34063ADE4

Voltage Regulators - DC DC Switching Regulators Overview

The MC34063ADE4 is a switching voltage regulator manufactured by Texas Instruments, belonging to the MC34063A series. It operates within an input voltage range of 4.4 V to 40 V and provides a single adjustable output from 1.55 V to 40 V with a maximum switch current of 1.5 A. The device features a fixed switching frequency of 100 kHz and low static current consumption of 10 nA. Packaged in an SOIC-8 surface-mount format, it supports Buck topology configurations and functions reliably across an operating temperature range of 0°C to +70°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-current output switch capable of delivering over 1.5 A for efficient power conversion
• Supports versatile DC-DC topologies including step-down (Buck), step-up, and voltage-inverting applications
• Features internal active current limiting to protect the device during overload conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring efficient voltage regulation
• Simple step-down or step-up converter circuits
• Voltage-inverting power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels as this part may be subject to discontinuation notices. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Cross-reference datasheet revisions to ensure compatibility with existing design specifications before final procurement integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for cost-effective single-output regulation where moderate current capacity suffices. The SOIC-8 package facilitates surface-mount assembly. Ensure external components support the 100 kHz switching frequency and that thermal management accommodates the specified operating temperature range for reliable performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device is part of the widely used MC34063 family, known for providing essential DC-DC conversion functions in a minimal component count. The MC34063A variant offers improved reference accuracy compared to earlier generations. As a monolithic control circuit, it combines oscillator, comparator, and driver functions into a single integrated solution.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MC34063AD is a direct pin-compatible alternative within the same manufacturer lineup.