Step-down converter IRT40C

isolatedembeddedvehicle

Overview
The IRT40C is an isolated DC-DC converter module that converts a wide 10–60 V DC input into a regulated isolated 12 V output rated at 40 W (up to 3.3 A). It is designed for vehicle, industrial and embedded systems where input voltage varies and electrical isolation is required to reduce noise and disturbances.

Product highlights

• Modular DC-DC system design enabling higher power density and efficient distribution compared to single ultra-wide-input devices
• High-efficiency operation using high-frequency zero-voltage switching (ZVS)
• Low inrush current
• Output over-current protection
• Wide input voltage range: 10–60 V DC
• Optional ignition control for vehicle power sequencing

Certifications

• CE
• FCC

Functional description
The module generates an isolated 12 V rail from an unregulated wide-range DC source. Modular deployment allows multiple IRT40C units to be combined for efficient power distribution and compact system integration.

Protection and reliability
The product includes over-current (OCP), over-voltage (OVP), under-voltage (UV) detection, short-circuit and thermal protection to ensure safe operation in transportation and industrial environments.

Applications

• Vehicle and fleet electronics
• Industrial automation
• Embedded computers and control systems
• Any system requiring a stable isolated 12 V rail from a 10–60 V DC source

Technical specifications

• Model: IRT40C
• Input voltage: 10 V to 60 V DC
• Output: 12 V, up to 3.3 A (rated ≈40 W)
• Isolation: Yes
• Ripple and noise: < 120 mV
• Line regulation: < ±1% (rated input)
• Load regulation: < ±5%
• Efficiency: Up to 90% (full load)
• Protections: OCP, OVP, UV, short-circuit, thermal
• Certifications: CE, FCC
• Operating humidity: 10% to 90% RH, non-condensing
• Operating temperature: 0°C to 50°C
• Storage temperature: -20°C to 70°C
• Altitude: 0 to 10,000 ft
• Dimensions: 120 x 45 x 24.6 mm