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.