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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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ZXSC380 bảng dữ liệu(PDF) 1 Page - Diodes Incorporated |
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ZXSC380 bảng dữ liệu(HTML) 1 Page - Diodes Incorporated |
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1 / 10 page  Issue 3 - September 2007 1 www.zetex.com © Zetex Semiconductors plc 2007 ZXSC380 Single or multi cell LED driver solution Description The ZXSC380 is a highly integrated single or multi cell LED driver for applications where step-up voltage conversion from a very low input voltage is required. These applications mainly operate from 1.5V or 1.2V cells. The IC generates constant current pulses that are ideal for driving single or multiple LEDs over a wide range of operating voltages. The ZXSC380 provides a simple to use, low cost, space saving and easy to layout solutions. The ZXSC380 uses a PFM control technique to drive an internal switching transistor which has a low saturation resistance. This ensures high efficiency, even for input voltages as low as 1V. The IC can start up under full load and operates down to an input voltage of only 0.9V typical. The ZXSC380 is offered in the space saving SOT23 package or in die form, offering an excellent cost vs performance solution for single cell LED driving applications. SOT23 Features • 80% efficiency • User adjustable output current • Single cell operation • Low saturation voltage switching transistor • Simple application circuit • Low external component count • SOT23 package • Available also in die form Applications • LED flashlights and torches • LED backlights • White LED driver Pin connections Typical application circuit VCC GND VOUT Top view 1 2 3 VCC VOUT GND VIN GND L1 LED1 ZXSC380 1 2 3 |
Số phần tương tự - ZXSC380 |
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Mô tả tương tự - ZXSC380 |
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