Diodes Incorporated PAM2861 - High-Efficiency LED Driver

The PAM2861 from Diodes Incorporated is a highly efficient, current mode, PWM step-down DC/DC converter that is designed to drive high-power LEDs with a constant current. This LED driver is ideal for a wide range of applications including architectural lighting, display backlighting, decorative and emergency lighting, as well as general-purpose LED illumination systems.

Key Features:

• Versatile Input Voltage: The PAM2861 operates from an input voltage range of 6V to 40V, making it suitable for a broad array of power supplies and capable of withstanding voltage surges that are common in industrial environments.
• Adjustable Output Current: It provides an adjustable output current up to 1.2A, allowing for flexibility in driving LEDs of various power ratings while ensuring consistent brightness and color.
• High Efficiency: With efficiencies up to 97%, the PAM2861 ensures minimal power loss in LED driving applications, thereby reducing heat generation and increasing system reliability.
• Thermal Protection: The device includes thermal shutdown protection that safeguards the LED driver from overheating, which is critical in maintaining the longevity and safety of the lighting system.
• PWM Dimming Capability: It supports Pulse Width Modulation (PWM) dimming, offering precise control over the brightness levels of the LEDs without compromising light quality.
• Compact Package: The PAM2861 is available in a small footprint TSOT25 package, which is ideal for space-constrained applications.

Applications:

• Architectural Lighting
• Display Backlighting
• Decorative Lighting
• Emergency Lighting
• General LED Illumination

The PAM2861's robust design, combined with its feature set, provides a reliable and efficient solution for driving high-brightness LEDs. With its ability to deliver constant current and integrate various protection features, the PAM2861 ensures a long lifespan for LED applications while facilitating design flexibility and ease of use for manufacturers and hobbyists alike.