MAX20051AUD/V+

LED Driver IC Overview

The MAX20051AUD/V+ is a 2A synchronous buck LED driver with integrated MOSFETs. It operates from a supply voltage range of 4.5 V to 65 V. The device supports analog and PWM dimming methods for precise light control. It features a fixed operating frequency of 400 kHz. The output voltage range is specified between 4.875 V and 5.125 V. Designed for surface mount mounting, it functions within an operating temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates high-side and low-side MOSFETs for efficient synchronous buck conversion
• Supports both analog and pulse-width modulation (PWM) dimming techniques
• Operates with a wide input supply voltage range up to 65 V

LED Driver IC Applications

• Commercial lighting systems
• Industrial lighting applications

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements as indicated in the datasheet. Confirm the operating temperature range aligns with your system's thermal design constraints before procurement.

LED Driver IC Selection Notes

Select this component when a compact solution for driving LEDs with integrated power switches is required. The wide input voltage range suits various bus architectures. Consider the 400 kHz switching frequency for inductor size trade-offs. Verify that the 2A current limit matches the target LED string configuration.

LED Driver IC Part Context

This part belongs to the MAX20051 family of synchronous-buck LED drivers manufactured by Maxim Integrated, now part of Analog Devices. These devices are designed to simplify LED driver designs by integrating power stages. The AUD/V+ designation typically indicates a specific package variant and lead-free status compliant with industry standards.

LED Driver IC Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic replacements may differ in integrated MOSFET characteristics or dimming linearity. Ensure any alternative maintains the 65 V maximum input rating and 2A output capability.