MAX1739EEP+

Lighting, Ballast Controllers Overview

The MAX1739EEP+ is a fully integrated controller designed to drive cold-cathode fluorescent lamps (CCFLs). It operates within a supply voltage range of 4.6V to 28V and supports input voltages of 5V, 9V, 12V, 15V, 18V, and 24V. The device functions at a switching frequency of 100kHz and features dimming capability. It is housed in a 20-QSOP package with 20 pins and operates across a temperature range of -40°C to 85°C.

Lighting, Ballast Controllers Feature Summary

• Fully integrated controller optimized for driving CCFLs
• Wide input voltage range supporting multiple standard levels
• Fast response to input changes to maintain stability
• Minimizes transformer voltage stress for improved efficiency

Lighting, Ballast Controllers Applications

• TFT-LCD backlight power supplies
• CCFL driver circuits
• Display systems requiring wide brightness range control

Lighting, Ballast Controllers Procurement Notes

This component is officially marked as obsolete or not recommended for new designs by the manufacturer. Availability is restricted, often limited to clearance stock or specific distributor channels. Verify current lifecycle status and lead times carefully before integration into any production plan.

Lighting, Ballast Controllers Selection Notes

Select this part only for legacy system maintenance or repair where the original design specified the MAX1739EEP+. Due to its obsolete status, it is unsuitable for new product development. Evaluate alternative modern CCFL controllers or transition to LED-based solutions for long-term supply chain security.

Lighting, Ballast Controllers Part Context

The MAX1739EEP+ belongs to the MAX1739/MAX1839 series from Maxim Integrated, now part of Analog Devices. These devices are specialized PMICs focused on CCFL backlighting applications. The 'EEP+' suffix indicates the specific package type and RoHS compliance status within the broader family of similar controllers.

Lighting, Ballast Controllers Replacement Considerations

No direct public substitute part numbers are confirmed for this obsolete component. Engineers should consult official replacement guides or consider redesigning with contemporary LED drivers, as no equivalent active parts are listed in standard catalogs.