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XCL303 - Negative Output Voltage micro DC/DC Converter

Description

The XCL303/XCL304 series are small coil-integrated negative voltage micro DC/DC converter IC.

The oscillating frequency is a fast 2.5MHz and the small 2.5 x 2.0 x 1.0mm package contributes significantly to space saving in PCB area.

Features

  • Voltage Range Output Voltage Range FB Voltage VREF Voltage Output Current Quiescent Current Control Methods Oscillation Frequency Protection Function Function Operating Ambient Temperature Packages Environmentally Friendly : 2.7V ~ 5.5V : -1.2V ~ -6.0V 0.5V ± 10mV 1.6V ± 40mV : 300mA @VOUT=-3.0V, VIN=3.3V(TYP. ) : 250μA (TYP. ) : PWM Control (XCL303 Series) : PWM/PFM Control (XCL304 Series) : 2.5MHz : Current Limit (1.1A TYP. ) : Soft Start Time External Adjustment UVLO : -40 ~ +105℃ : CL-2025-02.

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Full PDF Text Transcription

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XCL303/XCL304 Series ETR28016-001 Inductor Built-in Negative Output Voltage “micro DC/DC” Converters ☆Green Operation Compatible ■GENERAL DESCRIPTION The XCL303/XCL304 series are small coil-integrated negative voltage micro DC/DC converter IC. The oscillating frequency is a fast 2.5MHz and the small 2.5 x 2.0 x 1.0mm package contributes significantly to space saving in PCB area. Further, integrating the coil together with the DC/DC simplifies the circuit board layout and minimizes potential noise interference. Compared to a charge pump type solution, the switching method of the XCL303/XCL304 maintains a stable output voltage even when the input voltage fluctuates. In addition, this new micro DC/DC can support larger output current than a charge pump solution.
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