MAX8739ETP+T

Overview

The MAX8739ETP+T is a specialized power management integrated circuit designed for TFT LCD bias voltage generation. It integrates a dual step-up DC-DC converter and a linear regulator within a compact 20-pin TQFN package with an exposed pad. The device operates from input voltages ranging from 1.8V to 5.5V, providing regulated outputs suitable for display panel requirements. It supports negative voltage generation capabilities essential for liquid crystal driving applications.

Feature Summary

• Integrates dual step-up converters and linear regulators for comprehensive LCD bias supply
• Supports negative output voltage generation for display panel operation
• Utilizes a compact 20-pin TQFN package with exposed thermal pad

Applications

• TFT LCD bias voltage regulation
• Mobile phone display power supplies
• Portable electronic device backlight drivers

Procurement Notes

Verify the specific suffix 'ETP' against the manufacturer's current datasheet to confirm pinout and thermal specifications. Confirm RoHS compliance status through official documentation. Check for obsolescence notices or lifecycle changes directly from Analog Devices before finalizing procurement plans.

Selection Notes

Select this component when designing power systems for TFT LCD panels requiring integrated positive and negative bias rails. Ensure the input voltage range of 1.8V to 5.5V aligns with the system battery or supply characteristics. Consider the thermal performance of the TQFN package in high-power density layouts.

Part Context

This part belongs to the Maxim Integrated portfolio of specialized power management ICs. It is categorized under PMIC - Voltage Regulators - Special Purpose. The device addresses the specific needs of display technologies by combining multiple conversion stages into a single solution, reducing board space compared to discrete implementations.

Replacement Considerations

Consult official cross-reference lists for direct replacements. Verify functional compatibility regarding pin assignments and electrical parameters if substituting with other LCD bias controllers.