The ACT4065ASH is a high-efficiency, step-down DC-DC converter manufactured by Active-Semi International Inc. It is designed to deliver a stable output voltage from a wide input voltage range, making it suitable for various applications requiring efficient power conversion.

Applications:

• Point-of-load regulators
• Portable devices
• Battery-powered systems
• Industrial controls
• Networking equipment

Features:

• Wide input voltage range: 4.5V to 40V
• High efficiency: up to 95%
• Adjustable output voltage
• Integrated high-side MOSFET
• Overcurrent protection
• Short-circuit protection
• Thermal shutdown protection
• Frequency foldback at light load

Benefits:

• Efficient power conversion reduces energy waste and extends battery life.
• Reliable operation with built-in protection features.
• Flexibility in output voltage setting for various application needs.
• Compact design for space-constrained applications.
• Cost-effective solution for step-down voltage regulation.

Technical Specifications:

• Input Voltage Range: 4.5V to 40V
• Output Voltage: Adjustable
• Output Current: Up to 2A
• Switching Frequency: 500 kHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent, Short-circuit, Thermal Shutdown
• Package: SOP-8

The Active-Semi ACT4065ASH is a robust and efficient DC-DC step-down converter ideal for applications requiring a wide input voltage range and high efficiency. Its integrated protection features and adjustable output voltage enhance its versatility and reliability.