The Leadtrend LD8520GL is a highly integrated resonant mode controller designed for LLC resonant converters. It incorporates features such as high-voltage startup, adaptive dead-time control, and comprehensive protection functions. The LD8520GL is optimized for high-efficiency power supplies and is suitable for applications requiring high power density and low EMI.

Applications:

• LCD TVs
• LED TVs
• Power adapters
• Server power supplies
• Industrial power supplies

Features:

• Resonant mode control
• High-voltage startup
• Adaptive dead-time control
• Over-current protection (OCP)
• Over-voltage protection (OVP)
• Over-temperature protection (OTP)
• Under-voltage lockout (UVLO)

Benefits:

• High Efficiency: Resonant mode operation minimizes switching losses, resulting in high efficiency and reduced heat dissipation.
• Low EMI: Resonant switching reduces electromagnetic interference (EMI), simplifying system design and reducing the need for external filtering.
• Comprehensive Protection: Includes OCP, OVP, and OTP features to protect the power supply and connected devices from potential damage.
• Simplified Design: High integration reduces external component count, simplifying power supply design and lowering cost.
• Stable Operation: Adaptive dead-time control ensures stable operation over a wide range of input voltages and load conditions.

The LD8520GL is available in a SOP package. It operates over a wide input voltage range and is designed for low standby power consumption. The device is suitable for a variety of power supply applications requiring high efficiency, low EMI, and comprehensive protection.