MAX749EPA+

Power Management - Specialized Overview

The MAX749EPA+ is a digitally adjustable LCD bias supply IC manufactured by Analog Devices Inc. under the Maxim Integrated brand, housed in an 8-PDIP package. It operates within an input voltage range of 2 V to 6 V and delivers a maximum negative output voltage of -100 V. The device features a low input current of 60 uA and supports a power dissipation of 471 mW. Designed for surface mount or through-hole applications, it functions reliably across a temperature range of -40°C to +85°C, providing programmable contrast voltages for display systems.

Power Management - Specialized Feature Summary

• Digitally adjustable LCD bias generation
• Programmable contrast voltage control
• Low quiescent current operation

Power Management - Specialized Applications

• LCD display systems
• TFT panel biasing
• Portable electronic devices requiring contrast adjustment

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized channels due to End-of-Life status. Confirm package integrity and pin alignment for 8-PDIP compatibility. Check datasheet revisions for updated electrical characteristics. Ensure environmental compliance documentation matches project requirements. Validate supplier credentials before acquisition.

Power Management - Specialized Selection Notes

Evaluate input voltage stability against the 2 V to 6 V operational range. Assess thermal management needs given the 471 mW dissipation limit. Consider interface compatibility for digital control signals. Verify temperature range suitability for target operating environments. Compare with alternative PMIC solutions if availability is critical.

Power Management - Specialized Part Context

Part of the MAX749 series specialized for LCD bias applications. Manufactured by Analog Devices Inc./Maxim Integrated. Classified under Professional Power Management (PMIC). Supports both SMD/SMT and through-hole installation styles. Designed for portable and professional display technologies.

Power Management - Specialized Replacement Considerations

MAX749ESA+ offers equivalent functionality in SOIC-8 packaging. Both variants share identical electrical specifications and digital adjustability. Package footprint differences require PCB layout adaptation. Verify pinout compatibility during transition.