Recom Power RSO-2415DZ

Summary of RSO-2415DZ Recom Power DC/DC Converter

The RSO-2415DZ from Recom Power is a high-density isolated DC/DC converter designed to deliver two regulated outputs of +15V and -15V from a wide input voltage range. Housed in an 8-pin SIP through-hole package with compact dimensions (21.8mm x 9.2mm x 11.1mm), this 1W device targets industrial applications demanding dual-polarity, low-noise power. The RSO-2415DZ, part of the wider ECONOLINE RSO series, is particularly suitable for engineers tasked with powering analog signal processing, precision sensors, or mixed-signal circuitry where galvanic isolation and stable supply rails are essential.

Its robust isolation rating of 1kVDC (with options for up to 3kVDC in related variants) and broad 9V to 36V input range ensure compatibility with diverse industrial power sources, including both 12V and 24V bus systems. Combining reliable performance with international safety certifications, the RSO-2415DZ provides a well-balanced solution for cost- and space-sensitive designs.

Main characteristics and advantages of the RSO-2415DZ

Engineers evaluating the RSO-2415DZ will find a number of technical attributes that support its adoption in demanding applications:

Dual regulated outputs (+15V, -15V) at up to 34mA each, facilitating designs that require symmetrical bipolar power for operational amplifiers or analog front-ends.

Wide 4:1 input voltage range of 9V to 36V, simplifying inventory management for multi-variant equipment and enabling flexible deployment across varied supply environments.

Galvanic isolation rated at 1kVDC, protecting sensitive downstream circuitry from input-line transients and enabling noise reduction in mixed-signal environments.

Compact SIP-8 footprint accommodates high-density board layouts, while through-hole mounting ensures robust mechanical connection.

High typical efficiency (80%), fostering low thermal dissipation and enabling use in enclosed or thermally sensitive systems.

Integrated remote On/Off control (active low enable) for energy management and system-level fault handling.

Continuous short-circuit protection, minimizing risk of system damage from accidental load conditions.

Operation from –40°C to +85°C (industrial temperature range), supporting reliability in harsh environments.

Technical and physical details of the RSO-2415DZ

The core technical specifications of the RSO-2415DZ are designed for ease of design-in and trouble-free operation:

Input voltage range: 9V to 36VDC (4:1), suitable for both 12V and 24V rails prevalent in industrial and instrumentation markets.

Output voltages: +15V and –15V nominal (regulated), supporting output currents up to 34mA per channel at up to 1W total power.

Isolation voltage: 1kVDC standard; higher-isolation variants are available within the RSO series for added compliance or demanding isolation requirements.

Package: Industry-standard 8-SIP; size 21.8mm (L) x 9.2mm (W) x 11.1mm (H).

Mounting: Through-hole for secure attachment and ease of prototyping or field replacement.

Enable control: Active low; converter is ON when the enable pin is open, and OFF when held high.

Continuous short-circuit protection, with low-noise converter topology.

Compliance: UL94V-0 flame-retardant casing; RoHS3 and REACH compliant.

International certifications: UL60950-1, CAN/CSA 60950-1-07, IEC/EN60950-1, and IEC/EN60601-1.

Power derating: For optimal reliability, the datasheet indicates derating for input voltages below 5VDC (see application notes).

Maximum allowable capacitive load is defined in the datasheet to guarantee proper startup behavior and protect the converter from excessive transient currents.

Use cases and integration strategies for the RSO-2415DZ

In real-world engineering deployments, the RSO-2415DZ is especially valuable in applications that require:

Precision analog drive: The dual, tightly regulated ±15V outputs support op-amp rails, instrumentation amplifiers, data acquisition front-ends, or DAC/ADC bias supplies.

Fieldbus and sensor interfaces: Its wide input range and isolation capability suit noisy factory environments, facilitating safe interfacing and power supply decoupling for transducers, field devices, or sensors.

Compact modular instruments: The SIP-8 package allows dense PCB layouts such as modular measurement instruments or portable test equipment.

Communications and ITE systems: The regulated, isolated output rails simplify mixed-signal section power separation, preventing ground loops and reducing conducted/RF noise.

Energy management: The remote On/Off feature enables coordinated system sleep or shutdown modes under host processor or supervisory control.

Mixed-voltage or legacy retrofitting: Engineers can retrofit the RSO-2415DZ into existing platforms to provide required bipolar supplies where only single-rail DC power is natively available, reducing redesign risk.

When integrating the RSO-2415DZ, engineers should consider:

Input supply decoupling, including placement of recommended ceramic capacitors (e.g., 10μF for certain input voltage ranges) per the manufacturer’s guidelines.

Maximum capacitive load on outputs for guaranteed startup and reliable continuous operation.

Correct enable control wiring; note that the enable pin must not be pulled low—doing so may result in undefined operation.

Power dissipation and PCB layout for thermal management in applications with long-duration high load or limited airflow.

Safety standards, certification, and ecological factors for the RSO-2415DZ

The RSO-2415DZ is engineered to meet strict global requirements:

Certified to international standards for IT and medical equipment (IEC/EN60950-1, IEC/EN60601-1), supporting use in safety-sensitive environments.

Casing built from UL94V-0 materials ensures compliance with fire safety codes.

RoHS3 and REACH status guarantees material compliance for sustainable, worldwide deployment.

Moisture Sensitivity Level rated as MSL 1 (unlimited), simplifying supply chain and handling considerations.

For safety-critical applications, users should obtain explicit written consent from Recom Power prior to product deployment.

Alternative or substitute options for the RSO-2415DZ

For engineers seeking functional alternatives or planning future design refreshes, several options are available:

Within the Recom Power portfolio, the RSO series offers variants with enhanced isolation ratings (add the “/H2” suffix for 2kVDC or “/H3” for 3kVDC) and models covering alternative input/output voltage combinations.

For medical applications requiring higher power or enhanced isolation, Recom Power’s REM3.5E series is recommended by the manufacturer as the preferred alternative, delivering greater output power and reinforced isolation barriers.

When selecting replacements, review input range, output power, voltage accuracy, package compatibility, and certifications, particularly if the end application must meet medical or industrial standards.

Conclusion

The Recom Power RSO-2415DZ DC/DC converter provides a compact, robust, and versatile solution for dual-polarity isolated power generation within industrial, instrumentation, and commercial electronics. Its combination of wide input range, high efficiency, and extensive certifications make it a compelling choice for new designs and platform upgrades. Engineers and sourcing professionals alike benefit from its flexibility, safety pedigree, and clear route to qualified equivalents within the Recom ecosystem, ensuring long-term sustainability of critical subsystems.