LDS8681008-T2

Overview

The LDS8681008-T2 is a high-efficiency LED driver IC from the PowerLite series, manufactured by IXYS Integrated Circuits Division. It functions as a two-output DC-DC regulator utilizing switched-capacitor (charge pump) topology with integrated internal switches. The device supports PWM dimming and delivers up to 400mA output current for flash applications. It operates within a supply voltage range of 2.7V to 5.5V, providing a maximum output voltage of 6V. The component features a switching frequency of 1MHz and is housed in a 16-TQFN (3x3) surface-mount package with an exposed pad. It is rated for operation between -40°C and 85°C.

Feature Summary

• Dual-output DC-DC regulation using efficient switched-capacitor charge pump topology
• Integrated internal power switches eliminate external inductor requirements
• Supports precise PWM dimming control for dynamic brightness adjustment
• Compact surface-mount packaging designed for space-constrained mobile devices

Applications

• Camera flash illumination systems
• Mobile device backlighting drivers
• Portable electronic lighting circuits

Procurement Notes

Verify component authenticity through authorized distribution channels due to obsolete lifecycle status. Confirm package marking and pinout alignment with datasheet specifications before integration. Ensure storage conditions maintain moisture sensitivity level integrity. Validate electrical parameters against original design requirements prior to final assembly.

Selection Notes

Evaluate suitability based on required output current capabilities and input voltage constraints. Consider the charge pump topology advantages regarding size and efficiency compared to inductive solutions. Assess thermal management needs given the small form factor and operating temperature range. Verify compatibility with system dimming control signals and interface requirements.

Part Context

This component belongs to the PowerLite series of LED drivers, representing IXYS's focus on compact, high-efficiency power management solutions for portable electronics. The LDS8681008-T2 specifically targets applications requiring dual-channel control within minimal footprint constraints.

Replacement Considerations

Public confirmed substitute part numbers are not available in provided documentation. Consult manufacturer archives or authorized distributors for direct replacements or functional equivalents.