7Semi DC-DC Buck Converter 7V-40V Input to 5V 5A Output- AP64500

The 7Semi DC-DC Buck Converter (AP64500) is a high-efficiency step-down voltage regulator designed to convert input voltages from 7 V to 40 V into a stable 5 V output at up to 5 A continuous current. Based on the AP64500 synchronous buck converter IC, this module features high efficiency, low ripple, and built-in protection mechanisms for safe operation. Its compact design, high current capability, and wide input range make it suitable for powering microcontrollers, sensors, communication modules, and other electronic devices in industrial, automotive, and embedded systems.

Technical Specifications:

• Regulator IC: AP64500 (Diodes Incorporated)
  
• Conversion Type: DC-DC step-down (buck converter)
  
• Input Voltage Range: 7 V to 40 V DC
  
• Output Voltage: Fixed 5 V DC
  
• Output Current: Up to 5 A continuous
  
• Efficiency: Up to 90% (typical at full load)
  
• Switching Frequency: 500 kHz (typical)
  
• Output Ripple: <50 mV (typical)
  
• Load Regulation: ±1%Line Regulation: ±0.5%
  
• Protection Features:
   – Overcurrent protection (OCP)
   – Overvoltage protection (OVP)
   – Thermal shutdown (OTP)
   – Short-circuit protection (SCP)
  
• Operating Temperature: -40°C to +125°C
  
• Output Capacitor: Low ESR electrolytic and ceramic capacitors for stability
  
• PCB Material: High-quality FR-4 with copper traces optimized for heat dissipation
  
• Cooling: Requires minimal airflow; heatsink optional under heavy load

Features:

• Wide input voltage range (7 V–40 V) for flexible power supply compatibility
  
• Delivers a stable 5 V output with up to 5 A current capacity
  
• High efficiency synchronous buck design for reduced heat generation
  
• Integrated protection for overload, short circuit, and over-temperature conditions
  
• Low output ripple ensures clean power for sensitive electronics
  
• Fixed 5 V regulated output suitable for 3.3 V and 5 V logic systems
  
• Compact and lightweight PCB for embedded and industrial applications
  
• Easy integration with existing power supply circuits
  
• Stable performance under dynamic load changes
  
• Ideal for powering microcontrollers, sensors, and wireless modules

Applications:

• Embedded and IoT power regulation
  
• Industrial control systems and automation equipment
  
• Robotics and motor driver power supplies
  
• Automotive and battery-powered devices
  
• Communication modules and routers
  
• LED strips, cameras, and small electronic appliances
  
• DIY electronics and prototyping projects
  
• Power supply for Arduino, Raspberry Pi, ESP32, STM32, and similar boards
  
• Laboratory test and measurement equipment
  
• Renewable energy and solar-based electronic systems