YA9035-ALD

Overview

The Coilcraft YA9035-ALD is a no-opto flyback transformer designed for isolated power conversion. It features a ferrite core and supports an input voltage range of 4 V to 65 V. The device provides a secondary output of 15 V at 0.4 A, delivering 6 W of power. It operates at a switching frequency of 300 kHz with a 1:1 turns ratio. Key electrical specifications include a primary inductance of 30 µH measured at 300 kHz and 0.1 Vrms. The component offers 1500 Vrms isolation between primary and secondary windings.

Feature Summary

• Designed for no-optocoupler flyback converter topologies
• Provides galvanic isolation via high-voltage winding separation
• Optimized for high-frequency operation at 300 kHz
• Utilizes a ferrite core material for efficient magnetic performance

Applications

• Compatible with Texas Instruments LM5180 controllers
• Compatible with Texas Instruments LM25180 controllers
• Low-power isolated DC-DC conversion systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and tape specifications. Confirm that the component meets the required isolation voltage ratings for the target application safety standards. Check for any updates regarding RoHS compliance status or recommended operating temperature ranges before finalizing procurement orders.

Selection Notes

Select this transformer when designing flyback converters requiring no optocoupler feedback loops. Ensure the controller IC matches the supported list, such as the LM5180 series. Verify that the 6 W power capability and 15 V output align with load requirements. Confirm that the 300 kHz operating frequency fits within the system's electromagnetic interference constraints.

Part Context

This component belongs to the YA903x-AL family of no-opto flyback transformers from Coilcraft. These parts are engineered to simplify isolated power supply designs by eliminating the need for optocouplers. The series includes variants like YA9033, YA9034, and YA9036, each tailored for different voltage and power outputs while maintaining similar form factors and mounting characteristics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer directly for cross-reference data.