SD42528E,High-Efficiency Step-Down PWM Control LED Driver, SOP-8

The SD42528E is a high-performance step-down PWM control LED driver IC designed for efficient DC-DC conversion in LED lighting and general power applications. With an input voltage range of 6V to 60V, the SD42528E delivers up to 1A output current, making it suitable for a wide range of applications, including battery-powered devices, automotive lighting, and industrial control systems.

This IC integrates a low-RDS(on) power MOSFET, achieving an impressive efficiency of up to 96%. Its built-in PWM dimming function allows precise brightness control, while the fixed switching frequency of 300kHz ensures predictable performance and reduced electromagnetic interference (EMI). The SD42528E also features advanced protection mechanisms, including thermal shutdown and overcurrent protection, ensuring reliable operation in demanding environments.

• Wide Input Voltage Range: Operates efficiently between 6V and 60V, accommodating diverse power supply configurations.
• Integrated Power MOSFET: Features a built-in 0.60Ohm power MOSFET, minimizing external components and simplifying design.
• High Efficiency: Achieves up to 96% efficiency, ensuring minimal power loss and extended operational life.
• PWM Dimming Function: Allows for precise control of LED brightness through pulse-width modulation dimming.
• Comprehensive Protection Features: Includes thermal shutdown, cycle-by-cycle overcurrent protection, and under-voltage lockout (UVLO) for robust performance.
• Constant Current Accuracy: Maintains constant current regulation within +/-1.5%, ensuring uniform LED brightness.