ET63111YB

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

The ET63111YB is a positive fixed-output linear voltage regulator manufactured by ETEK Microelectronics. It provides a stable output current of 150mA and operates within a specified input voltage range suitable for low-dropout applications. The device is housed in a compact 4-DFN (1x1) package, designed for surface-mount assembly. As part of the PMIC category, it serves as a power management component for analog circuits requiring precise voltage regulation with minimal external components.

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

• Linear low-dropout architecture for efficient voltage regulation
• Fixed positive output configuration ensuring stable supply
• Compact 4-DFN surface-mount package design

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

• Portable electronic devices requiring stable power supplies
• Analog circuit biasing in consumer electronics
• Battery-powered systems needing regulated voltage rails

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

Verify the exact output voltage specification against the official datasheet before procurement, as fixed-output variants may have specific voltage tolerances. Confirm the 4-DFN (1x1) package dimensions match your PCB footprint requirements. Ensure compatibility with your system's thermal management strategy given the 150mA current rating. Cross-reference the manufacturer's ordering information to confirm the suffix 'YB' corresponds to the intended tape-and-reel or tray packaging format if applicable.

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

Select this component when a fixed positive voltage rail is required with moderate current demands up to 150mA. The low-dropout characteristic makes it suitable for applications where the input voltage is close to the desired output level. Consider the small 4-DFN footprint for space-constrained designs. Evaluate thermal performance based on the expected voltage drop and ambient temperature conditions to ensure reliable operation within the specified operating range.

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

ETEK Microelectronics specializes in high-performance analog integrated circuits, including power management solutions. The ET63111YB belongs to their linear voltage regulator portfolio, targeting mobile and portable electronics markets. This series emphasizes compact form factors and efficient power delivery for modern consumer devices requiring stable analog power supplies.

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

Check for pin-compatible alternatives from ETEK or other manufacturers offering similar 150mA fixed-output LDOs in 4-DFN packages. Verify that substitute parts meet the same input voltage range and thermal specifications. Ensure the replacement maintains the required output voltage accuracy and dropout characteristics for your specific application.