ET51628YB

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

The ET51628YB is a positive fixed-output linear voltage regulator (LDO) manufactured by ETEK Microelectronics. It provides a fixed output voltage of 2.8 V with a maximum load current capability of 300 mA. The device utilizes advanced CMOS technology and a PMOS pass element to achieve high power supply rejection ratio (PSRR), low noise, and low dropout voltage. It features an automatic discharge function for rapid shutdown and fast start-up times. The component is housed in a compact 4-DFN (1x1 mm) package, suitable for space-constrained portable applications.

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

• High power supply rejection ratio (PSRR) and low noise performance
• Automatic discharge function for efficient power management
• Low dropout voltage operation with fast start-up time

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

• Portable mobile devices requiring stable low-voltage power rails
• Battery-powered systems needing efficient linear regulation
• Noise-sensitive analog circuits in consumer electronics

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

Verify the exact output voltage and package type against official datasheets before procurement. Confirm that the 4-DFN (1x1) footprint matches your PCB design. Ensure compatibility with your system's input voltage range and thermal requirements. Check for specific ordering suffixes if available in manufacturer documentation.

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

Select this LDO when low noise and high PSRR are critical for signal integrity. The 300 mA output current suits moderate load applications. Consider the small 4-DFN package for tight space constraints. Evaluate thermal dissipation needs based on the voltage drop and load current in your specific circuit design.

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

This component belongs to the ET516XX series of low-dropout regulators from ETEK Microelectronics. The series is characterized by high-performance analog IC design using CMOS processes. These regulators are designed for applications demanding precise voltage regulation and low power consumption in portable electronic devices.

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

Consult official substitution lists or cross-reference guides for compatible parts. Verify pinout compatibility and electrical specifications such as output voltage tolerance and current rating before replacing.