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XC9145 - PWM/PFM Step-up DC/DC Converters

Description

XC9145 series are synchronous step-up DC/DC converters with a 200mΩ N-channel driver FET and a 270mΩ synchronous Pchannel switching FET built-in.

Features

  • Voltage Range Fixed Output Voltage Output Current Oscillation Frequency Quiescent Current Efficiency Control Mode Load transient response Protection function Functions Operating Ambient Temperature Package Environmentally Friendly : 0.65V ~ 5.5V (Operation Start Voltage 1.6V) : 3.0V ~ 5.5V (0.1V increments) : 430mA @VOUT=5.0V, VBAT=3.3V 300mA @VOUT=3.3V, VBAT =1.8V : 1.2MHz : 400nA : 89.9% @VIN=2.4V, VOUT=3.3V, IOUT=10μA 93.2% @VIN=2.4V, VOUT=3.3V, IOUT=100mA : Auto PWM/PFM : 300mV @VOUT=3.3V,.

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Full PDF Text Transcription

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XC9145 Series ETR04032-002 400nA Ultra-Low Quiescent, 0.8A, PWM/PFM Step-up DC/DC Converters ☆Green Operation compatible ■GENERAL DESCRIPTION XC9145 series are synchronous step-up DC/DC converters with a 200mΩ N-channel driver FET and a 270mΩ synchronous Pchannel switching FET built-in. The ultra-low current consumption of 400nA and PWM/PFM auto-switching control have dramatically improved the efficiency of the output current of 10μA or less, which was difficult to achieve in the past. (89.9%@VIN=2.4V, VOUT=3.3V, IOUT=10μA) XC9145 series can significantly reduce the power consumption of battery-powered devices which consume a large percentage of power when the system is in standby mode. It contributes to keeping battery life longer and reducing battery size smaller.
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