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Применения > > Evaluation Kit for the MAX5074 (MAX5074EVKIT)

Evaluation Kit for the MAX5074 (MAX5074EVKIT) (MAX5074EVKIT)

The MAX5074 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains a high-efficiency, 14W, forward DC-DC converter in the industry-standard 1/8th-brick footprint. The circuit is configured for a 12V output voltage and provides up to 1.2A of current. Power for the circuit can be provided from a 36V to 72V DC source as well as sources used in the telecom/datacom markets, industrial environments, and in automotive 42V power systems.

The EV kit uses the MAX5074 IC that includes internal power MOSFETs. High efficiency up to 85% at 1.2A is achieved using an internally clamped two-transistor topology. Part of the efficiency improvement is due to the recovery of stored leakage and magnetizing inductance energy at the primary side.

The MAX5074 is programmed to switch at 250kHz. The undervoltage lockout (UVLO) threshold is programmed to 30V and the integrated fault protection provides effective fault management. Output galvanic isolation is achieved by an optocoupler and the surface-mount power transformer.

Warning: The MAX5074 EV kit is designed to operate with high voltages. Dangerous voltages are present on this EV kit and on equipment connected to it. Users who power up this EV kit or power the sources connected to it must be careful to follow safety procedures appropriate to working with high-voltage electrical equipment.

Under severe fault or failure conditions, this EV kit may dissipate large amounts of power, which could result in the mechanical ejection of a component or of component debris at high velocity. Operate this kit with care to avoid possible personal injury.

The EV kit user should not probe the circuit with an oscilloscope probe and ground clip unless they have experience with high voltages.

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