ET54211Y1B

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

The ET54211Y1B is a positive fixed-output linear voltage regulator (LDO) manufactured by ETEK MICROELECTRONICS. It provides a fixed output voltage of 3.3V with a maximum output current capability of 400mA. The device supports a maximum input voltage of 6V and is housed in a compact 4-DFN (1x1mm) package.

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

• Provides a stable, fixed 3.3V DC output voltage for downstream circuitry
• Capable of delivering up to 400mA of continuous load current
• Operates within a maximum input voltage range of 6V
• Utilizes a small-footprint 4-DFN surface-mount package

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

• Portable electronic devices requiring regulated 3.3V power rails
• Battery-powered systems utilizing low-dropout regulation
• Embedded circuits needing compact power management solutions

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

Verify the specific suffix 'Y1B' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the 4-DFN footprint matches your PCB layout requirements. Confirm that the 6V maximum input rating aligns with your system's supply voltage headroom. Cross-reference the 400mA current limit with your application's peak load demands to prevent thermal shutdown or performance degradation under heavy loads.

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

Select this component when a fixed 3.3V output is required with moderate current needs up to 400mA. It is suitable for applications where space is constrained due to its 4-DFN packaging. Ensure the input voltage does not exceed 6V. Consider thermal dissipation capabilities if operating near maximum current limits. Verify availability of the specific manufacturing lot and ensure compliance with relevant environmental standards for your target market.

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

This part belongs to ETEK MICROELECTRONICS' line of analog integrated circuits, specifically within their power management portfolio. The company focuses on high-performance solutions for mobile and portable electronics. This LDO complements other regulators in their catalog, offering a balance of performance and size for consumer and industrial applications requiring reliable voltage regulation.

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

Check for direct substitutes from ETEK such as the ET54210Y1B, which shares similar specifications. Compare pinouts and electrical parameters carefully before substitution. Ensure any alternative maintains the same 3.3V output and 400mA current capacity. Verify package compatibility to avoid PCB redesign efforts.