DS3994Z+T&R

Overview

The DS3994Z+T&R is a four-channel cold-cathode fluorescent lamp (CCFL) controller manufactured by Analog Devices Inc. under the Maxim Integrated brand. Designed for display backlighting applications, this integrated circuit operates within a frequency range of 20kHz to 80kHz. It is housed in a 28-pin SOIC package and supports surface-mount installation. The device functions as a dedicated controller for managing CCFL illumination parameters.

Feature Summary

• Provides control for four independent CCFL channels
• Operates with adjustable frequency settings between 20kHz and 80kHz

Applications

• LCD panel backlighting systems
• Display driver circuits requiring CCFL illumination

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes against current inventory records. Ensure packaging integrity matches reel specifications. Validate RoHS compliance documentation prior to integration into production lines.

Selection Notes

Evaluate thermal management requirements for the 28-SOIC package during design. Verify that the operating frequency range aligns with transformer specifications. Consider power supply stability for reliable channel control. Assess physical footprint constraints on the printed circuit board layout.

Part Context

This component belongs to the DS3994 series of display drivers and controllers. It serves as a specialized solution for managing cold-cathode fluorescent lamps in electronic displays. The product line focuses on providing efficient backlight control mechanisms for various display technologies.

Replacement Considerations

Publicly confirmed substitute part numbers include DS3994Z, DS3994Z-W, DS3994Z-TR, and DS3994Z+W. Verify pin compatibility and electrical characteristics before substitution.