KTD251EHD-TR

Overview

The KTD251EHD-TR is a single-channel LED lighting driver IC from Kinetic Technologies, designed for wide-range PWM dimming applications. It utilizes a boost converter topology to drive LEDs with an output current of 260 mA. The device operates within an input voltage range of 2.7 V to 5.5 V and supports a working frequency of 900 kHz. It features a TSOT-23-6 package and includes overvoltage protection up to 19 V. The integrated switch handles up to 800 mA, enabling the driving of up to 10 series LEDs.

Feature Summary

• Integrated high-current switch with 800 mA limit capability
• Supports wide-range PWM dimming for brightness control
• Includes overvoltage protection for circuit safety

Applications

• LED backlighting systems
• Portable electronic displays
• General LED illumination modules

Procurement Notes

Verify the specific suffix against official Kinetic Technologies documentation to ensure correct packaging and temperature grade specifications. Confirm that the 19V OVP rating aligns with target LED string requirements. Cross-reference the TSOT-23-6 footprint dimensions during PCB layout finalization to prevent assembly errors.

Selection Notes

Select this component when a single-channel boost driver with integrated switching is required. Ensure the application demands a 260 mA constant current output. Verify compatibility with the 2.7 V to 5.5 V supply range. Consider the 900 kHz operating frequency for inductor size optimization relative to alternative frequencies.

Part Context

This part belongs to the Kinetic Technologies LED Lighting Drivers category. It is specifically engineered for efficient LED driving in space-constrained designs. The TSOT-23-6 package facilitates surface-mount installation. It serves as a specialized solution for applications requiring precise PWM dimming control without external power switches.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.