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ZXSC400 - LED DRIVER BOOST CONVERTER

Description

The ZXSC400 is a voltage mode boost converter in the SOT23-6 package.

Its low feedback voltage allows the current in a chain of LEDs to be set and accurately monitored with a single resistor giving minimal losses.

Features

  • 1.8V to 8V supply range.
  • Typical output regulation of Ϯ1%.
  • Over 80% typical efficiency.
  • 4.5␮A typical shutdown current.
  • Series connection for ultimate LED current matching SOT23-6.

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Full PDF Text Transcription

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ZXSC400 LED DRIVER BOOST CONVERTER DESCRIPTION The ZXSC400 is a voltage mode boost converter in the SOT23-6 package. Its low feedback voltage allows the current in a chain of LEDs to be set and accurately monitored with a single resistor giving minimal losses. Its excellent load and line regulation means that for the full supply range from lithium-ion cells, the LED current will typically change by less than 1%. Using high efficiency Zetex switching transistors with ratings of 20V and higher allow many LEDs to be chained in series for the best LED current matching possible. FEATURES • 1.8V to 8V supply range • Typical output regulation of Ϯ1% • Over 80% typical efficiency • 4.
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