SP7601EK1-L/TR

Overview

The SP7601EK1-L/TR is a single-output DC-DC controller designed for LED driver applications. It operates as a step-down (buck) converter with integrated PWM dimming control. The device utilizes a fixed switching frequency of 1.2MHz to minimize external component size. It is housed in a compact 6-pin TSOT package, suitable for space-constrained designs.

Feature Summary

• Integrates PWM dimming capability for precise LED brightness control
• Operates as a buck converter topology for efficient voltage regulation
• Features a high switching frequency to reduce passive component footprint

Applications

• LED backlighting systems
• Portable electronic display drivers
• General-purpose low-power LED illumination circuits

Procurement Notes

Verify the specific suffix 'L' and '/TR' against the manufacturer's current datasheet to confirm pinout compatibility and tape-and-reel packaging specifications. Ensure the design accounts for the component's status as obsolete if sourcing new production units, and validate thermal performance within the specified junction temperature range.

Selection Notes

Select this component for applications requiring a simple, single-channel buck solution with direct digital dimming control. The 1.2MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Confirm that the input voltage range and required output current align with the controller's operational limits before finalizing the schematic.

Part Context

This part belongs to MaxLinear's portfolio of power management ICs, specifically within the LED driver category. It represents a specialized solution for managing LED loads where size and control simplicity are prioritized over multi-channel complexity or high-power handling capabilities found in other series.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult official distributor databases for cross-reference lists or evaluate alternative single-output buck controllers with compatible PWM dimming interfaces.