7Semi DC-DC Buck Converter 7V -100V Input to 5V 1A Output - LM5164

The 7Semi DC-DC Buck Converter (7 V–100 V input to 5 V 1 A output) is a compact, high-performance module built using the LM5164 synchronous buck converter IC. It steps down high input voltages to a stable 5 V output, suitable for industrial, automotive, telecom, and battery-powered systems. With wide input range, strong protection features, and low EMI design, it simplifies high-voltage power supply integration in embedded applications.

Technical Specification:

• Input Voltage Range: 7 V to 100 V
• Output Voltage: 5 V fixed
• Output Current: Up to 1 A
• Quiescent Current: ~10.5 µA typical, ~3 µA in shutdown
• Minimum On/Off Time: ~50 ns typical
• Switching Frequency: Adjustable up to ~1 MHz
• Protection: UVLO, thermal shutdown, peak and valley current limit
• EMI Performance: Ultra-low EMI optimized design
• Module Size: Approx. 34.8 mm × 25.0 mm
• IC Junction Temperature Range: –40 °C to +150 °C

Features:

• Wide 7 V to 100 V input range
• Regulated 5 V, 1 A output
• High-efficiency synchronous buck architecture
• Very low standby and shutdown current
• Fast switching for compact design
• Integrated UVLO, overcurrent, and thermal protection
• Low EMI suitable for industrial and automotive systems
• Compact, ready-to-use breakout module

Applications:

• High-voltage battery systems (24 V / 48 V / 60 V / 72 V)
• Industrial controls and automation
• Telecom and 48 V bus power systems
• Automotive and EV auxiliary 5 V supplies
• Embedded systems needing 5 V from high voltage
• Robotics and instrumentation power modules