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HM1509 - 2A 150KHz 40V Buck DC to DC Converter

General Description

The HM1509 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation.

Key Features

  • Wide 4.5V to 40V Input Voltage Range.
  • 3.3V,5V,12V, and adjustable versions.
  • Output Adjustable from 1.23V to 37V.
  • Maximum Duty Cycle 100%.
  • Minimum Drop Out 1.5V.
  • Fixed 150KHz Switching Frequency.
  • 2A Constant Output Current Capability.
  • Internal Optimize Power Transistor.
  • High efficiency.
  • Excellent line and load regulation.
  • TTL shutdown capability.
  • ON/OFF pin with hysteresis function.

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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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2A 150KHz 40V Buck DC to DC Converter Features „ Wide 4.5V to 40V Input Voltage Range „ 3.3V,5V,12V, and adjustable versions „ Output Adjustable from 1.23V to 37V „ Maximum Duty Cycle 100% „ Minimum Drop Out 1.