MAX749ESA+

Power Management - Specialized Overview

The MAX749ESA+ is a digitally adjustable LCD bias supply designed for professional power management applications. It generates negative contrast voltages from input sources ranging between 2 V and 6 V, with output capabilities scaling to -100 V or greater. The device operates within an extended temperature range of -40°C to +85°C and features low input current consumption of 60 uA. Packaged in an 8-SOIC surface-mount format, it supports power dissipation up to 471 mW.

Power Management - Specialized Feature Summary

• Digitally adjustable output voltage control for precise LCD contrast management
• Generates high negative bias voltages from low-voltage inputs
• Operates as a dedicated PMIC component for display systems

Power Management - Specialized Applications

• LCD display driver circuits
• Portable electronic devices requiring LCD bias generation
• Embedded systems utilizing TFT displays

Power Management - Specialized Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for SOIC-8 components. Cross-reference datasheet revisions to validate electrical characteristics against current design requirements before finalizing procurement orders.

Power Management - Specialized Selection Notes

Select this component when digital control over LCD bias voltage is required within a compact surface-mount footprint. It is suitable for designs needing negative voltage generation from standard low-voltage rails without external inductors. Consider thermal constraints regarding the 471 mW dissipation limit in enclosed environments.

Power Management - Specialized Part Context

This part belongs to the MAX749 series of specialized power management integrated circuits manufactured by Analog Devices under the Maxim Integrated brand. It serves as a dedicated solution for generating stable bias supplies in display applications, distinguishing itself through digital adjustability rather than analog potentiometer tuning.

Power Management - Specialized Replacement Considerations

Consult official manufacturer substitution lists for verified alternatives. Generic cross-references may not match the specific digital interface requirements or output voltage scaling capabilities of the original component.