TOP244 Power Management Chip

The TOP244 is a high-performance power management chip designed for efficient switching power supplies. It integrates a high-voltage power MOSFET, control circuitry, and protection features into a single device, making it suitable for use in various power conversion applications. The TOP244 is known for its high efficiency, compact design, and ease of use, making it ideal for both consumer and industrial power supply designs.

Key Features:

• Integrated high-voltage power MOSFET for efficient switching
• Wide input voltage range for versatility in different applications
• High efficiency with low standby power consumption
• Built-in protection features including thermal shutdown and overcurrent protection
• Adjustable output voltage for flexibility in design
• Integrated startup current source for simplified design

Technical Specifications:

• Input Voltage Range: 85V to 265V AC (or 120V to 370V DC)
• Output Voltage Range: Adjustable
• Output Current: Up to 5A (depending on configuration and cooling)
• Switching Frequency: 100 kHz (typical)
• Efficiency: Up to 85% (depends on design and load)
• Thermal Shutdown: Integrated
• Overcurrent Protection: Integrated
• Package Type: Typically available in DIP-7 or SO-8 packages

Applications:

• AC-DC power supplies
• Power adapters for consumer electronics
• Industrial power supplies
• Battery chargers
• Power management in electronic circuits

Usage:

1. Connect the AC input voltage to the appropriate pins of the TOP244, ensuring proper isolation and safety measures.
2. Configure the output voltage using the external feedback network as specified in the datasheet.
3. Connect the load to the output and ensure the current requirements do not exceed the chip’s capabilities.
4. Implement proper cooling and heat sinking to maintain thermal stability, especially under high-load conditions.

Caution:

• Ensure that the input and output voltages are within the specified ranges to avoid damage.
• Properly design the external components (e.g., capacitors, inductors) to achieve desired performance and stability.
• Follow safety guidelines for working with high-voltage circuits to prevent electrical hazards.

Datasheet:
For detailed technical specifications, refer to the TOP244 Datasheet.