This high-efficiency DC Step Down Module converts a wide input range of 9V to 90V DC into a stable 5V 3A output. It is perfect for powering 5V devices such as microcontrollers, sensors, and communication modules from higher-voltage DC sources. With up to 95% conversion efficiency, it ensures low heat and reliable performance for industrial and DIY applications.

Key Features

• Wide input voltage range: 9V–90V DC
• Stable output voltage: 5V DC
• Maximum output current: 3A
• Output power: up to 15W
• High efficiency: up to 95%
• Operating frequency: 140 KHz
• Compact module size: 42 × 30 × 17 mm

Protection Features

• Over-temperature protection
• Over-current protection
• Short-circuit protection
• Built-in soft start

Performance Highlights

• Constant voltage and constant current output
• Low standby current
• Frequency reduction at light load for higher efficiency
• Industrial-grade working temperature: -40°C to +85°C

Applications

• Arduino, ESP, and Raspberry Pi power supply
• Solar and automotive DC systems
• DIY electronics and embedded projects
• Battery-powered devices

Tags: DC Step Down Converter, 9V to 5V Buck Module, 5V 3A Power Supply, DC-DC Converter, High Voltage to 5V Regulator