7Semi AP64350 DC-DC Buck Converter Board 3.8V to 40V Input, 5V Output

The 7Semi AP64350 DC-DC Buck Converter Board is a compact and efficient power conversion module designed to step down a wide DC input range of 3.8V to 40V to a stable 5V fixed output. Based on the AP64350 synchronous buck converter, it can provide up to 1.5A continuous output current with high conversion efficiency. Its compact design and integrated protection features make it suitable for powering microcontrollers, sensors, communication modules, IoT devices and other 5V electronic circuits where reliable voltage regulation is required.

Technical Specifications

• Brand: 7Semi
• Converter IC: AP64350
• Converter Type: DC-DC Buck Converter
• Input Voltage: 3.8V to 40V DC
• Output Voltage: 5V Fixed
• Maximum Continuous Output Current: 1.5A
• Efficiency: Up to 90%
• Quiescent Current: Low-power operation
• Operating Temperature: -40°C to +85°C
• Board Size: Compact PCB design

Features

• Wide 3.8V to 40V DC input range
• Stable regulated 5V output
• Up to 1.5A continuous output current
• High-efficiency synchronous buck conversion
• Low power consumption
• Compact and lightweight design
• Under-voltage protection
• Overvoltage protection
• Thermal shutdown protection
• Current limiting protection

Applications

• Arduino, ESP32 and STM32 projects
• IoT devices and sensor systems
• Robotics and automation
• Communication modules
• 5V embedded electronics
• Battery-powered circuits
• Industrial control applications
• DIY electronic projects