The APW7273AQBI-TRG is a high-efficiency, synchronous buck converter from Anpec. This device is designed to provide a stable and regulated voltage supply in a variety of applications. It features a wide input voltage range and integrates low RDS(on) MOSFETs to minimize power loss and maximize efficiency. The APW7273AQBI-TRG incorporates several protection features to ensure reliable operation under various fault conditions. Its compact size and minimal external component requirements make it suitable for space-constrained applications.

Applications:

• Notebook Computers
• Tablet PCs
• Graphics Cards
• Solid State Drives (SSDs)
• Embedded Systems
• Point-of-Load (POL) Power Supplies

Features:

• High Efficiency: Synchronous rectification for minimal power loss.
• Wide Input Voltage Range: Operates from 4.5V to 26V.
• Adjustable Output Voltage: Programmable output voltage via external resistors.
• Integrated Low RDS(on) MOSFETs: Reduces conduction losses and simplifies design.
• Overcurrent Protection (OCP): Protects the device and load from excessive current.
• Overvoltage Protection (OVP): Prevents the output voltage from exceeding a safe level.
• Undervoltage Lockout (UVLO): Ensures proper operation during startup and shutdown.
• Thermal Shutdown Protection (OTP): Shuts down the device if the temperature exceeds the limit.
• Enable/Disable Control: Allows the device to be turned on and off.
• Constant On-Time (COT) Control: Provides fast transient response and stable operation.

Benefits:

• Improved System Efficiency: Reduces power consumption and extends battery life.
• Compact Solution Size: Minimal external component requirements.
• Enhanced System Reliability: Comprehensive protection features ensure safe operation.
• Simplified Design: Integrated MOSFETs and minimal external components reduce design complexity.
• Flexibility: Adjustable output voltage allows for customization.

Additional Details:

The APW7273AQBI-TRG utilizes a Constant-On-Time (COT) control architecture, providing excellent transient response and stability. External components typically include input and output capacitors, an inductor, and feedback resistors for setting the output voltage. The device is available in a compact package suitable for surface mount assembly. Detailed application notes and datasheets provide guidance on component selection, layout considerations, and performance characteristics. The APW7273AQBI-TRG is designed to meet the stringent requirements of modern electronic devices, providing a highly efficient and reliable power conversion solution.