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XC9119 - Step-Up DC/DC Converter

Description

The XC9119 series is 1MHz, PWM controlled step-up DC/DC converter, designed to allow the use of ceramic capacitors.

With a built-in 2.0 switching transistor, the XC9119 series can easily provide a step-up operation by using only a coil, a diode, a capacitor, and a resistor, connected externally.

Features

  • ing Voltage Range : 2.5V ~ 6.0V Output Voltage Range : Up to 19.5V externally set-up Oscillation Frequency : Reference voltage 1.0V +2.0% : 1.0MHz±20% ON Resistance : 2.0 (VDD=3.6V, VDS=0.4V) Efficiency : 86% (VOUT=15V, VDD=3.6V, IOUT=10mA) Control : PWM control Stand-by function : ISTB=1.0μA (MAX. ) Load Capacitor : Low ESR ceramic capacitor Ultra Small Packages : SOT-25, USP-6C Lx Limit Current : 400mA (VDD=3.6V).

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Full PDF Text Transcription

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XC9119 Series 1MHz, PWM Controlled, Step-Up DC/DC Converter, Ceramic Capacitor Compatible ETR04008-010a ■GENERAL DESCRIPTION The XC9119 series is 1MHz, PWM controlled step-up DC/DC converter, designed to allow the use of ceramic capacitors. With a built-in 2.0 switching transistor, the XC9119 series can easily provide a step-up operation by using only a coil, a diode, a capacitor, and a resistor, connected externally. Since output voltage up to 19.5V (Maximum Lx operating voltage: 20V) can be derived with reference voltage supply of 1.0V (±2.0%) and external components, the series can easily supply high voltage for various general-purpose power supplies, LCD panels and organic EL displays. With a high switching frequency of 1.
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