MAX5006ACUB+

Overview

The MAX5006ACUB+ is a low-dropout linear regulator manufactured by Analog Devices Inc. under the Maxim Integrated brand, designed specifically for USB applications. It provides a fixed 3.3 V output with a maximum continuous current of 150 mA. The device operates within an input voltage range of 4 V to 5.5 V and features a typical dropout voltage of 300 mV, reaching a maximum of 400 mV at full load. It incorporates integrated protection mechanisms, including a 15 kV TVS diode and a power-on reset circuit. The component is housed in a surface-mount UMAX-10 package and supports operation across a temperature range of 0°C to +70°C.

Feature Summary

• Integrates a 15 kV transient voltage suppressor for enhanced ESD protection
• Includes a built-in power-on reset circuit for reliable system startup
• Optimized for low-noise performance in sensitive USB power rails

Applications

• USB port power regulation
• Portable electronic device power supplies
• Embedded systems requiring stable 3.3 V logic levels

Procurement Notes

Verify the specific suffix designation (+) to confirm RoHS compliance status as indicated in official documentation. Confirm that the UMAX-10 package matches the target PCB footprint requirements. Ensure the selected variant aligns with the required thermal dissipation capabilities for the intended operating environment.

Selection Notes

Select this component when a compact solution combining LDO regulation with high-voltage ESD protection is required. The fixed 3.3 V output suits standard CMOS logic families. Evaluate the 150 mA current limit against peak load demands to ensure adequate headroom without exceeding thermal constraints.

Part Context

This part belongs to the MAX5006 series of USB-specific low-dropout regulators. It distinguishes itself from standard LDOs by integrating robust surge protection and reset functionality directly on-chip. This integration reduces external component count and board space, making it suitable for dense portable designs.

Replacement Considerations

Direct substitutes include variants such as MAX5006ACUB- or MAX5006ACUB+T, which share identical electrical specifications but differ in packaging format or lead-free status.