SC613IMLTRT

Overview

The SC613IMLTRT is a low-noise regulated charge pump LED driver manufactured by Semtech Corporation. It operates within an input voltage range of 2.5 V to 6.5 V and delivers a constant output current of up to 140 mA. The device features a selectable output voltage, typically configured for 5.0 V applications. It utilizes a fractional charge pump topology to regulate LED brightness efficiently. The component is housed in a compact 10-MLP (3x3) package with an exposed pad, suitable for surface mount installation. It supports a switching frequency of 650 kHz and functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Integrates a low-noise regulated charge pump with selectable output voltage for precise LED control
• Provides constant current output capability up to 140 mA for stable LED illumination
• Utilizes fractional charge pump technology to optimize efficiency across varying input voltages
• Features a compact 10-lead MLP package designed for space-constrained surface mount applications

Applications

• LED backlighting systems
• Portable electronic device illumination
• Low-power LED indicator circuits

Procurement Notes

Verify the specific suffix and tape-and-reel quantity against official distributor listings before ordering. Confirm that the 10-MLP package dimensions match your PCB footprint requirements. Ensure compatibility with the intended input voltage range of 2.5 V to 6.5 V for your target application design.

Selection Notes

Select this component when a compact solution for driving LEDs from a single-cell lithium battery or similar low-voltage source is required. The integrated charge pump allows operation even when the input voltage drops below the desired LED forward voltage. Consider the 140 mA current limit and thermal dissipation capabilities of the small package for high-brightness applications.

Part Context

This part belongs to the SC613 series of LED drivers from Semtech. It is specifically engineered for portable devices requiring efficient power management. The series focuses on minimizing noise and maximizing efficiency in small form factors, distinguishing it from standard boost converters by its regulated charge pump architecture.

Replacement Considerations

Consult official Semtech documentation for verified cross-reference part numbers. Do not substitute with generic charge pumps without verifying pinout compatibility and current handling capabilities.