ET63328YB

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

The ET63328YB is a CMOS low dropout regulator from ETEK Microelectronics, designed for portable battery-powered applications requiring ultra-low quiescent current. It features an operating input voltage range of 2.2V to 5.5V and provides a fixed output voltage of 2.8V. The device delivers up to 300mA output current with typical quiescent current of 0.6µA. It includes dynamic transient boost, over-current protection, and thermal shutdown. Available in DFN4 (1x1mm) packages, it ensures long battery life and excellent dynamic performance for wireless communication systems.

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

• Ultra-low quiescent current consumption ensures extended battery life in portable devices
• Dynamic transient boost feature improves device response for wireless communication applications
• Integrated over-current and thermal shutdown protection enhances system reliability
• Stable operation with small ceramic capacitors simplifies board design

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

• Battery powered equipments
• Portable communication equipments
• Cameras, image sensors and camcorders

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

Verify the specific suffix 'YB' confirms the DFN4 (1x1mm) package configuration as documented in official ETEK datasheets. Ensure compatibility with RoHS compliance requirements for environmental standards. Confirm that the fixed 2.8V output meets the target circuit design specifications before procurement. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

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

Select this component when ultra-low standby current is critical for battery-operated systems. The 300mA output capability supports moderate load requirements while maintaining high efficiency. The wide input voltage range accommodates various battery chemistries. Consider the small DFN4 package for space-constrained designs requiring minimal footprint without sacrificing thermal performance or electrical stability.

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

The ET63328YB belongs to the ET631xx series of CMOS low dropout regulators manufactured by ETEK Microelectronics. This series is engineered specifically for portable electronics where power efficiency is paramount. The company specializes in high-performance analog integrated circuits for mobile and wireless applications, focusing on solutions that balance performance with minimal energy consumption.

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

Compatible substitutes within the ET631xx family include ET63318YB (1.8V output) and ET63333YB (3.3V output), provided the output voltage requirement differs. Verify pinout compatibility and package dimensions (DFN4 1x1mm) when considering alternative manufacturers. Ensure equivalent quiescent current and dropout voltage specifications are met for direct replacement scenarios.