EL7642ILTZ

Special Purpose Regulators Overview

The EL7642ILTZ is a switching voltage regulator designed for TFT-LCD applications, manufactured by Renesas Electronics Corporation. It utilizes a boost topology to generate output voltages ranging from 5.5V to 20V with an output current capacity of 150 mA. The device features three outputs and operates within an input voltage range of 2.6V to 5.5V. It functions at a switching frequency of 1.2 MHz and supports an operating temperature range from -40°C to +85°C. Housed in a 32-TQFN-EP package measuring 5x5 mm, it is classified as a special-purpose regulator under the PMIC category.

Special Purpose Regulators Feature Summary

• Integrated amplifier functionality specifically tailored for TFT-LCD power requirements
• Boost converter topology enabling efficient step-up voltage conversion
• Compact surface-mount packaging suitable for space-constrained designs

Special Purpose Regulators Applications

• TFT-LCD panel power supply systems
• Portable display devices requiring integrated DC-DC regulation
• Consumer electronics utilizing thin-film transistor liquid crystal displays

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to discontinued status. Confirm RoHS compliance and moisture sensitivity level (MSL 3) prior to soldering. Check for obsolescence notices or last-time buy notifications from Renesas Electronics. Ensure storage conditions meet humidity control standards to prevent damage before assembly.

Special Purpose Regulators Selection Notes

Select this component when designing power stages for TFT-LCD interfaces requiring a single-input, multi-output boost solution. Consider the 1.2 MHz switching frequency for balancing efficiency and external component size. Evaluate the 32-TQFN-EP package for thermal performance and PCB layout constraints. Verify input voltage compatibility with system battery or rail sources within the 2.6V to 5.5V range.

Special Purpose Regulators Part Context

Part of the EL7642 series, which includes variants like EL7640 and EL7641. These regulators are specialized for driving LCD panels, integrating power conversion with signal amplification needs. The series targets portable electronics where power efficiency and board space are critical design parameters.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the product status is listed as obsolete, consult Renesas Electronics for recommended alternatives or cross-reference guides.