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UM1661

Union Semiconductor

High Efficiency Low Noise PFM Step-Up DC/DC Converter


Description
UM1661 High Efficiency Low Noise PFM Step-Up DC/DC Converter UM1661 SOT23-6 General Description The UM1661 PFM step-up DC/DC Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform b...



Union Semiconductor

UM1661

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