Newmar 48-12-6I DC-DC Converter – 20-56VDC to 13.6V at 6A for Marine and Mobile Applications

Newmar 48-12-6I DC-DC Convertr 20-56VDC To 13.6 Vdc @ 6A

The Newmar 48-12-6I DC-DC converter is designed to reliably convert input voltages ranging from 20 to 56 VDC to a stable 13.6 VDC output at 6 amps, making it ideal for powering communication, navigation, and data equipment in mobile and marine environments. Its robust construction includes a corrosion-resistant anodized aluminum case with heavy-duty shock mounts, ensuring durability in demanding conditions. The converter features a polyurethane conformal coating on the PC boards, providing protection against moisture and corrosion, which is essential for long-term operation in hostile environments.
The device maintains excellent voltage regulation, with the output voltage staying within 1% under all line and load conditions. Its high-efficiency design, averaging around 85%, minimizes heat generation, with large heat sink fins maximizing air contact for better cooling and extended component lifespan. The converter is equipped with multiple protective circuits, including current limiting, automatic thermal shutdown, short circuit proofing, reverse polarity, and overvoltage protection, ensuring safe and reliable operation across various applications.
The Newmar 48-12-6I features an isolated series design, allowing connection of negative ground equipment to positive or floating ground systems, providing greater flexibility when integrating with existing systems. Its input range supports positive, negative, or floating ground configurations, and it can also serve as a stabilizer for highly input voltage-sensitive equipment. The converter’s ripple is kept below 150 mV peak-to-peak, and regulation remains within 2%, ensuring steady output performance.
Operating temperature ranges from 0°C to 50°C, with linear derating from 100% at 40°C to 50% at 50°C. Its switching frequency is 70 kHz, contributing to efficient power conversion. The device consumes less than 50 mA of idle current in isolated mode, making it energy-efficient. Certified with the CE mark, the Newmar 48-12-6I offers a reliable power solution for demanding mobile and marine systems requiring durable, stable, and protected voltage conversion.
This converter is particularly suitable for applications where a stable 13.6 VDC output is needed to power voice, data, or navigation transceivers, ensuring consistent operation in challenging environments. Its compact design and comprehensive protection features make it an excellent choice for professional and recreational use alike.

Features:

• Input voltage range: 20-56 VDC supports positive, negative, or floating ground configurations

• Output voltage: 13.6 VDC with adjustable setting between 12.6-14.5 VDC

• Maximum output current: 6 amps to power communication, navigation, and data equipment

• Excellent voltage regulation within 1%, ensuring consistent power delivery

• High efficiency: approximately 85% to minimize heat and maximize power use

• Robust construction with corrosion-resistant anodized aluminum case and shock mounts for durability in harsh environments

• Polyurethane conformal coating on PC boards provides moisture and corrosion resistance

• Multiple protection circuits including current limiting, thermal shutdown, short circuit proof, reverse polarity, and overvoltage protection

• Isolated series design allows connection to various ground systems and functions as a voltage stabilizer

• Ripple below 150 mV peak-to-peak for stable output

• Operating temperature from 0°C to 50°C with linear derating for reliable performance

• Switching frequency at 70 kHz for efficient power conversion

• CE certified for safety and compliance standards