LM3502ITL-16/NOPB

LED Driver IC Overview

The LM3502ITL-16/NOPB is a step-up converter designed for white LED applications, manufactured by Texas Instruments. It operates with a switching frequency of 1 MHz and supports PWM dimming. The device delivers up to 400 mA output current per channel. It functions within an operating temperature range of -40°C to 85°C. The component is housed in a 10-TµSMD package.

LED Driver IC Feature Summary

• Integrated step-up converter topology optimized for driving white LEDs
• Supports pulse-width modulation (PWM) dimming control
• High switching frequency operation at 1 MHz

LED Driver IC Applications

• White LED backlighting systems
• Portable electronic device illumination
• LED driver circuits requiring compact form factor

LED Driver IC Procurement Notes

Verify the specific suffix '16' against the official Texas Instruments datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the operating temperature range of -40°C to 85°C aligns with your environmental specifications. Confirm the 10-TµSMD package dimensions fit your PCB layout constraints before finalizing procurement.

LED Driver IC Selection Notes

Select this component when a compact solution for white LED backlighting is required. The 1 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 400 mA switch current capability relative to the target LED string configuration. Verify compatibility with system-level PWM dimming signals for brightness control integration.

LED Driver IC Part Context

This part belongs to the Texas Instruments LM3502 family of LED drivers. It is specifically engineered as a step-up converter for white LED applications. The device integrates power switches and control logic into a small surface-mount package, distinguishing it from discrete LED driver solutions or larger linear regulators.

LED Driver IC Replacement Considerations

Check for direct substitutes such as the LM3502ITL-44/NOPB if different pin configurations are needed. Verify functional equivalence regarding switching frequency and current limits before substituting.