HVMA03F4A-LP8S

Overview

The Bourns HVMA03F4A-LP8S is an automotive-grade board-mount gate driver transformer designed for high-voltage isolation applications. It features a single primary winding and dual secondary windings with a turns ratio of 5:1:4. The device supports a primary voltage range of 10 V to 24 V, delivering secondary outputs of -5 V and 15 V at a maximum current of 100 mA. With a power rating of 2 W and an inductance of 4 µH, it operates at frequencies up to 400 kHz. The component measures 12.8 mm x 10 mm x 7 mm and functions within a temperature range of -40 °C to +125 °C.

Feature Summary

• Complies with AEC-Q200 standards for automotive reliability
• Provides high working voltage with 8 mm creepage distance
• Supports switching frequencies up to 400 kHz
• Features low-profile surface mount packaging

Applications

• Transistor gate drive power supplies
• Inverter circuits
• Battery management systems
• Motor drivers
• Power supply units

Procurement Notes

Verify the specific ordering suffix LP8S against the manufacturer's official datasheet to ensure correct package and tape configuration. Confirm that the required insulation class and creepage distances meet the target application's safety regulations. Check for any recent design changes or obsolescence notices from Bourns before finalizing procurement plans.

Selection Notes

Select this component when designing isolated gate driver circuits requiring AEC-Q200 compliance and operation at 400 kHz. Ensure the system voltage does not exceed the 24 V primary limit and that the thermal environment stays within the specified operating range. Consider the physical dimensions for PCB layout constraints in compact automotive modules.

Part Context

This part belongs to the Bourns HVMA series of flyback and gate driver transformers. The series is characterized by high working voltages and robust performance in harsh environments. It is specifically engineered for automotive electronics, offering reliable isolation for power conversion tasks in electric vehicles and green energy systems.

Replacement Considerations

Consult the official Bourns cross-reference guide for verified substitutes. No direct public substitute part numbers are confirmed in the provided documentation.