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XC9141 Datasheet 0.8A Step-up DC/DC Converters

Manufacturer: Torex Semiconductor

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General Description

XC9141/XC9142 series are synchronous step-up DC/DC converters with a 0.3Ω N-channel driver transistor and a 0.3Ω synchronous P-channel switching transistor built-in.

A highly efficient and stable current can be supplied up to 0.8A by reducing ON resistance of the built-in transistors.

The series are able to start operation under the condition which has 0.9V input voltage to generate 3.3V output voltage with a 100Ω load resistor, suitable for mobile equipment using only one Alkaline battery or one Nickel metal hydride battery.

Overview

XC9141/XC9142 Series ETR04018-003d Load Disconnection Function, 0.

Key Features

  • Voltage Range Fixed Output Voltage Oscillation Frequency Input Current Output Current Control Mode Selection Load Transient Response Protection Circuits Functions Output Capacitor Operating Ambient Temperature Package Environmentally Friendly : 0.65V ~ 6.0V : 1.8V ~ 5.5V (0.1V increments) : 1.2MHz, 3.0MHz : 0.8A : 500mA @VOUT=5.0V, VBAT=3.3V 330mA @VOUT=3.3V, VBAT =1.8V : PWM (XC9141) PWM/PFM (XC9142) : 100mV@VOUT=3.3V, VBAT =1.8V, IOUT=1mA→200mA (tr=5μs) : Over-current limit Integral latch me.

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