The Leadtrend LD7552BPS is a highly integrated current mode PWM controller, optimized for use in offline flyback converters. It features built-in functions such as leading-edge blanking, cycle-by-cycle current limiting, and over-temperature protection, providing a compact and efficient solution for various power supply applications. This controller is well-suited for designs that require high power density and low standby power consumption.
Applications:
- AC/DC Adapters
- Battery Chargers
- LED Lighting Power Supplies
- Auxiliary Power Supplies
Features:
- Current Mode PWM Control
- Leading-Edge Blanking
- Cycle-by-Cycle Current Limiting
- Over-Temperature Protection (OTP)
- Under-Voltage Lockout (UVLO)
- Low Start-up Current
- Internal Slope Compensation
Benefits:
- High Efficiency: Optimizes efficiency in flyback converter designs, reducing power losses and improving thermal performance.
- Robust Protection: Comprehensive protection features safeguard the system against potential damage and ensure reliable operation.
- Simplified Design: Reduces external component count, simplifying the design process and lowering overall system cost.
- Low Standby Power: Minimizes power consumption during standby, helping designs meet energy efficiency standards.
- Stable Operation: Ensures stable operation under varying input voltage and load conditions.
The LD7552BPS is available in a SOP package. It is designed to operate over a wide range of input voltages and is optimized for low standby power consumption. The device is suitable for a variety of power supply applications where efficiency, reliability, and compact size are critical requirements.
