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.
