ET51629B

Overview

The ET51629B is a linear regulator controller IC manufactured by Etek Microelectronics. It provides a positive fixed output voltage of 2.9V with a current capacity of 300mA. The device is housed in a SOT-23-5 package, designed for compact power management applications requiring stable voltage regulation.

Feature Summary

• Provides a fixed positive output voltage level
• Integrated linear regulator control functionality
• Compact surface-mount packaging

Applications

• Portable electronic devices
• Battery-powered systems
• General purpose voltage regulation

Procurement Notes

Verify the specific datasheet version and ordering suffixes to ensure compatibility with your design requirements. Confirm that the SOT-23-5 package footprint matches your PCB layout. Check for any specific environmental or export classification details such as EAR99 status before finalizing procurement.

Selection Notes

Select this component when a fixed 2.9V output is required from a linear regulation topology. Consider the 300mA current limit and thermal performance within the SOT-23-5 package constraints. Ensure input voltage ranges are compatible with the specified output level for proper dropout operation.

Part Context

Etek Microelectronics specializes in analog integrated circuits and power solutions. The ET51629B belongs to their portfolio of voltage regulators and power management components, targeting applications in mobile and consumer electronics where space efficiency and stable power delivery are critical.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify pinout and electrical specifications carefully if considering alternative manufacturers for equivalent voltage and current ratings.