KTD3122EFJ-TR

Overview

The KTD3122EFJ-TR is a high-efficiency step-up LED driver IC from Kinetic Technologies, designed for backlight applications. It features two output channels with an integrated power diode and supports PWM or single-wire dimming control. The device operates within an input voltage range of 2.7 V to 5.5 V and delivers a maximum output voltage of 30 V. It functions at an operating frequency of 1 MHz and includes overvoltage protection rated at 30 V. The component is housed in a 16-TQFN (3x3) package and has a power dissipation rating of 2 W.

Feature Summary

• Integrates a high-efficiency step-up DC-DC regulator topology with an internal power diode to minimize external component count.
• Provides dual-channel output capability suitable for driving multiple LED strings in backlight configurations.
• Supports flexible dimming interfaces including PWM and single-wire control methods for system integration.

Applications

• LED backlight drivers for mobile devices
• Portable electronic display illumination systems
• High-efficiency lighting power management circuits

Procurement Notes

Verify the specific ordering suffix and package variant when sourcing, as availability may vary by distributor. Confirm that the component status aligns with project requirements, noting potential end-of-life considerations for legacy parts. Ensure compatibility with existing PCB footprints and thermal management strategies before finalizing procurement plans.

Selection Notes

Select this component for designs requiring a compact solution for boosting low input voltages to drive LED loads efficiently. The integrated diode reduces board space compared to discrete solutions. Consider the 1 MHz switching frequency for passive component sizing and the 2.7 V minimum input for battery-powered applications.

Part Context

This part belongs to the Kinetic Technologies KTD series of LED drivers, which focus on high efficiency and integration for portable electronics. The EFJ suffix typically denotes the specific package type and temperature grade, distinguishing it from other variants in the family such as those with different pinouts or control interfaces.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult manufacturer updates for lifecycle management or equivalent functional replacements if discontinuation occurs.

FAQ

What is the maximum output voltage supported by the KTD3122EFJ-TR?

The device supports a maximum output voltage of 30 V.

Does the KTD3122EFJ-TR include an internal switch or diode?

Yes, it features an integrated power diode as part of its step-up topology.