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ZXSC100 - SINGLE CELL DC-DC CONVERTER

Description

The ZXSC100 series is designed for DC-DC applications where step-up voltage conversion from very low input voltages is required.

These applications mainly operate from single nickel cadmium or nickel metal hydride battery cells.

Features

  • SuperSOT4™ switching transistor ZXT14N20DX:VCE(sat) 45mV max @ 1A load Efficiency maintained over a wide range of input voltages and load currents 82% efficiency @ VBATT=1V Startup under full load Minimum operating input voltage VBATT=0.926V Adjustable output voltage down to VBATT Quiescent current typically 150µA referred to input voltage MSOP8 Package SO8 Package Demonstration boards available U1 EM VDRIVE ISENSE FB GND BAS RE VCC efficiency over a wider range of load curr.

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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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ZXSC100 SINGLE CELL DC-DC CONVERTER SOLUTION DESCRIPTION The ZXSC100 series is designed for DC-DC applications where step-up voltage conversion from very low input voltages is required. These applications mainly operate from single nickel cadmium or nickel metal hydride battery cells. The ZXSC100 devices are non-synchronous PFM, DC-DC controller ICs which drive an external transistor. Zetex SuperSOT4™ switching transistors, with saturation resistance as low as 13m Ω, are recommended as the external switching element. These bipolar transistors are the best switching devices available for this type of DC-DC conversion, enabling high efficiency conversion with input voltages down to below 1 volt.
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