ET531285YB

Overview

The ET531285YB is a linear voltage regulator manufactured by ETEK Microelectronics. It provides a fixed output voltage of 2.85V with a maximum output current capability of 300mA. The device operates within an input voltage range of 1V to 5.5V. It is designed for surface mount applications and is housed in a 14-TDFN (3x3.5) package. The component supports an operating temperature range from -40°C to 85°C.

Feature Summary

• Fixed 2.85V output voltage regulation
• Supports up to 300mA load current
• Wide input voltage tolerance from 1V to 5.5V

Applications

• Portable electronic devices requiring stable low-voltage power
• Battery-powered systems needing efficient linear regulation
• Embedded circuits utilizing 2.85V logic or analog components

Procurement Notes

Verify the specific datasheet version for thermal resistance values and absolute maximum ratings before integration. Confirm that the 14-TDFN footprint matches your PCB layout requirements. Ensure supply chain sources provide genuine ETEK Microelectronics products to guarantee performance reliability under specified temperature conditions.

Selection Notes

Select this component when a precise 2.85V rail is required with moderate current demands. It is suitable for designs where input voltages vary between 1V and 5.5V. Consider the TDFN package size for space-constrained layouts. Evaluate thermal dissipation capabilities based on the expected voltage drop and load current within the -40°C to 85°C operational window.

Part Context

ETEK Microelectronics specializes in high-performance analog integrated circuits, including power management solutions. The ET531285YB falls within their portfolio of linear regulators designed for mobile and portable electronics. This part represents a standard fixed-output solution for stabilizing power rails in compact consumer devices.

Replacement Considerations

Consult official ETEK documentation for direct pin-compatible substitutes. Verify that alternative parts match the 2.85V output, 300mA current rating, and 14-TDFN package dimensions. Cross-reference electrical specifications to ensure compatibility with existing circuit constraints.