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HM2675HV - 3A-60V LED Step-Down Converter

Description

HM2675HV is the monolithic IC designed for a step-down DC/DC converter capable of driving 3A load without an additional transistor.

The input voltage range is up to 60V.

Its feedback voltage, VFB, is 200mV.

Features

  • include a cycle-by-cycle current limit and a thermal protection. The HM2675HV is available in standard TO-220, TO-263 packages and ESOP8 package (for ILOAD < 3.0A).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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3.< 3A-60V LED Step-Down Converter GENERAL DESCRIPTION HM2675HV is the monolithic IC designed for a step-down DC/DC converter capable of driving 3A load without an additional transistor. The input voltage range is up to 60V. Its feedback voltage, VFB, is 200mV. The HM2675HV operates at a switching frequency of 52kHz. The external shutdown function is controlled by a logic level on the ON/OFF pin and then the circuit comes into the standby mode with ISTBY~50µA (typ.). The ON/OFF pin may be used for the analog dimming. As the voltage on the ON/OFF pin is increased from 0.07V to 0.67V, the voltage on the FB pin falls from 200mV to 0. The self-protection features include a cycle-by-cycle current limit and a thermal protection.
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