MAX8573EUT+T

Overview

The MAX8573EUT+T is a high-efficiency LCD boost converter IC manufactured by Analog Devices Inc./Maxim Integrated. It operates with a supply voltage range of 2.7 V to 5.5 V and delivers a regulated output suitable for LCD bias generation. The device features a True Shutdown mode that reduces quiescent current significantly, enhancing battery life in portable applications. It integrates an internal switch and operates at a fixed switching frequency. The component is housed in a compact SOT-23-6 package, designed for surface-mount installation.

Feature Summary

• Integrates a high-efficiency boost converter topology optimized for LCD bias voltage generation
• Features a True Shutdown mode that minimizes power consumption during inactive periods
• Includes an internal power switch to reduce external component count and board space
• Operates from a low input voltage range suitable for single-cell battery applications

Applications

• Portable electronic devices requiring LCD bias supplies
• Mobile phones and handheld terminals with display drivers
• Battery-powered instruments needing efficient voltage boosting
• Consumer electronics utilizing liquid crystal displays

Procurement Notes

Verify the exact suffix and RoHS compliance status (+T indicates tape and reel packaging). Confirm the manufacturer source as Analog Devices or Maxim Integrated. Check for obsolescence notices as this part may be discontinued or superseded. Ensure the SOT-23-6 package matches your PCB footprint requirements. Validate electrical specifications against the official datasheet before integration.

Selection Notes

Select this component when designing LCD bias circuits for portable devices where efficiency and low standby current are critical. The integrated switch simplifies design compared to discrete solutions. Consider the input voltage range relative to your power source. Evaluate the thermal performance within the SOT-23-6 package constraints. Verify compatibility with your system's shutdown control logic.

Part Context

This part belongs to the MAX857x family of LCD boost converters from Maxim Integrated, now part of Analog Devices. These components are specialized power management ICs designed specifically for generating negative and positive voltages required by LCD panels. The family shares common architecture but varies in output configuration and pinout.

Replacement Considerations

Check for direct cross-references such as MAX8570, MAX8571, or MAX8574 if different output configurations are needed. Verify pin-to-pin compatibility before substitution. Ensure the replacement supports the same input voltage range and shutdown functionality. Consult official distributor databases for current availability and lifecycle status.