Melcher - PSB 5H7-7 - Positive Switching Regulator

The Melcher PSB 5H7-7 is a positive switching regulator designed to provide efficient DC-DC conversion without input-to-output isolation. It is part of the PSB series, known for high efficiency, reliability, low output ripple, and excellent dynamic response. These regulators are suitable for various applications, including secondary switched and battery-driven mobile systems, and comply with railway standards EN 50155 and EN 50121.  

Key Features:

• High Efficiency: Achieves up to 96% efficiency, minimizing energy loss.

• Wide Input Voltage Range: Operates over an extensive input voltage range, accommodating various power sources.

• Low Input-to-Output Differential Voltage: Ensures efficient operation even with minimal voltage differences between input and output.

• Excellent Dynamic Properties: Provides rapid response to changes in load and input conditions.

• Protective Coating: All internal boards are coated with a protective lacquer to enhance durability.

• No-Load and Short-Circuit Proof: Designed to handle no-load conditions and protect against short circuits continuously.

Technical Specifications:

• Input Voltage Range: 7 V to 40 V DC

• Nominal Output Voltage: 5.1 V DC

• Nominal Output Current: 7 A

• Efficiency: Up to 96%

• Operating Temperature Range: –25 °C to +71 °C

• Dimensions: 106 mm (4.2 in) x 69 mm (2.7 in) x 32 mm (1.3 in)

• Weight: Approximately 220 g

Applications:

• Railway Systems: Suitable for use in railway applications, complying with EN 50155 and EN 50121 standards.

• Battery-Powered Equipment: Ideal for devices powered by batteries, offering efficient DC-DC conversion.

• Industrial Electronics: Applicable in various industrial systems requiring reliable power regulation.