The LD7266EGDHW is a highly integrated PWM (Pulse Width Modulation) controller designed for power supply applications, manufactured by Leadtrend Technology. This controller is typically used in AC/DC adapters, chargers, and other power conversion systems to efficiently regulate the output voltage and current.

Applications

• AC/DC Adapters: Regulating voltage and current in adapters for laptops, mobile phones, and other electronic devices.
• Battery Chargers: Controlling the charging process in various battery charger applications.
• Standby Power Supplies: Providing low-power standby operation in appliances and electronic equipment.
• LED Lighting Power Supplies: Driving LEDs with constant current and voltage regulation.
• Auxiliary Power Supplies: Generating auxiliary power rails in larger electronic systems.

Features

• PWM Control: Utilizes pulse width modulation to regulate the output voltage.
• Low Startup Current: Minimizes power consumption during startup.
• Over Voltage Protection (OVP): Protects the circuit from overvoltage conditions.
• Over Current Protection (OCP): Protects the circuit from overcurrent conditions.
• Short Circuit Protection (SCP): Protects the circuit from short circuits.
• Under Voltage Lockout (UVLO): Ensures proper operation during low voltage conditions.
• Frequency Jittering: Reduces EMI (Electromagnetic Interference) noise.

Benefits

• High Efficiency: Optimizes power conversion efficiency, reducing energy consumption.
• Protection Features: Ensures robust and reliable operation under various fault conditions.
• Low EMI Noise: Reduces electromagnetic interference, improving system performance.
• Compact Design: Allows for smaller and more compact power supply designs.
• Cost-Effective: Provides a cost-efficient solution for power supply control.

Additional Details

The LD7266EGDHW PWM controller is commonly employed in applications requiring efficient and reliable power conversion. Its integrated protection features safeguard the circuit from potential damage, while its low EMI noise helps improve system performance. Its compact design makes it suitable for use in small form-factor power supplies.

Technical Specifications:

• Operating Voltage Range: Typically 8V to 28V (Consult Datasheet)
• Switching Frequency: 65kHz (Typical)
• Output Voltage: Adjustable, depending on the application.
• Operating Temperature Range: -40°C to +85°C
• Package: SOP-8