Gaia Converter Introduced the GRD-12A-M series, a cutting-edge, fully integrated, Commercial Off-The-Shelf (COTS) power supply module designed for demanding military and high-reliability applications. This compact 120 W isolated power supply is engineered to meet stringent standards like MIL-STD-461, MIL-STD-704, MIL-STD-1275, ABD100, and DO160. Ideal for rugged environments, it combines high efficiency, robust design, and advanced functionality.

Key features

• Output Voltages: Factory-configurable outputs of 5, 6, 12, 15, or 24 V_DC with ±2% regulation across line, load, and thermal variations.
• High Efficiency: Up to 85% efficiency for reduced energy losses.
• Wide Input Voltage Range:
  • Permanent range: 16 – 60 V_DC.
  • Transient protection:
    • 10.7 – 100 V_DC (MIL-STD-1275)
    • 80 V for 100 ms (DO160)
    • 50 V for 50 ms (MIL-STD-704).
• Isolated Outputs: Offers 1–3 isolated outputs, configurable as single or dual (±) outputs.
• Full Protections:
  • Short-circuit and over-voltage protection.
  • Reverse polarity protection up to 100 V.
• Integrated EMI Filtering: Built-in for compliance with strict electromagnetic interference standards.
• Hold-Up Functionality: Ensures 50 ms transparency timing, managed via an external capacitor.
• Rugged Design: Operates within -40°C to +85°C at full load, conforming to MIL-STD-202 and MIL-STD-810 for altitude, humidity, shock, and vibration resistance.

Key specifications

Input Features

• Permanent Voltage: 16 – 60 V_DC.
• Transient Tolerance: 10.7 – 100 V_DC.
• Reverse Polarity Protection: Up to 100 V.

Output Features

• Total Power: Up to 120W.
• Configurable Outputs:
  • Single outputs: 3.3 V, 5 V, 6 V, 12 V, 15 V, or 24 V.
  • Dual ± outputs: ±3.3 V, ±5 V, ±12 V, ±15 V, or ±24 V.
  • Parallel outputs for higher power demands.
• Line + Load + Thermal Regulation: ±2%.

Physical Design

• Dimensions: 6.9" x 4.7" x 0.9" (175 x 120 x 24 mm).
• Case: Aluminum base plate with stainless steel cover.
• Mounting: Six holes (4.2 mm diameter).

Auxiliary Features

• Control and Monitoring:
  • General On/Off.
  • Individual output control.
  • Switching frequency synchronization.
  • Capacitor charge and power-good output signals.
• Environmental Compliance: Varnish and cover options for enhanced durability and a -55°C start-up option.
• Connectivity: D-SUB connectors for input and output interfaces.

Simplified Configurations

The GRD-12A-M Series supports flexible configurations to meet specific application needs. Examples include:

• GRD-12A-M-12-0-0: 12 V_DC at 120 W.
• GRD-12A-M-5-0-X: 5 V_DC at 80 W.
• GRD-12A-M-5-12-24B: 5 V_DC (40 W), 12 V_DC (40 W), and ±24 V_DC (±20 W)

Key applications

The GRD-12A-M Series is purpose-built for military vehicles, aerospace systems, and high-reliability industrial equipment. Its robust design ensures uninterrupted performance in the most challenging environments.

Click here to learn more about GRD-12A-M-12-0-0