ET53128YB

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

The ET53128YB is a CMOS-based low-dropout (LDO) linear regulator from the ETEK ET536XXYB family. It provides a fixed output voltage with an output current capability of 300 mA. The device integrates an auto discharge function to rapidly reduce the output voltage when the enable signal is deactivated, ensuring safe system shutdown. Designed for applications requiring stable power supply in space-constrained environments, it operates within a specified input voltage range and maintains regulation under varying load conditions.

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

• Integrates an automatic output discharge circuit for rapid voltage decay upon disable
• Provides stable regulated output with 300 mA load current capability
• Utilizes CMOS technology for low quiescent current consumption

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

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing extended operational life
• Embedded circuits requiring stable voltage rails during idle states

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

Verify the specific fixed output voltage variant required, as the ET536XXYB series includes multiple voltage options. Confirm package availability matches the design footprint requirements. Ensure the selected component meets the thermal dissipation needs of the target application. Cross-reference the datasheet for exact electrical characteristics relevant to the specific suffix code.

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

Select this component for designs prioritizing low static power consumption and fast shutdown response times. The integrated auto-discharge feature distinguishes it from standard LDOs that may retain charge on output capacitors. Evaluate the thermal performance based on the expected voltage drop and load current. Consider the package size constraints relative to the PCB layout density.

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

This part belongs to the ET536XXYB family of ultra-low RON load switches and LDO regulators manufactured by ETEK Microelectronics. The series is characterized by compact packaging and high efficiency, targeting modern portable electronics. The YB suffix typically denotes a specific package configuration or temperature grade within the broader product line.

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

Direct replacements should be sought within the same ET536XXYB family with matching output voltage and package type. Verify pin compatibility and electrical specifications against the original datasheet before substitution.