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DC/DC Fixed Charge Pump Voltage Inverter, 1.4 V to 5.5 V in, 25 mA out, 125 kHz,SOT-23-5Product OverviewThe MAX870EUK+T is a switched capacitor voltage inverter in 5 pin SOT-23package. This monolithic, CMOS charge pump inverter accepts input voltagesranging from +1.4V to +5.5V and operates at 125KHz. Its high efficiency and lowoperating current make this device ideal for both battery powered and boardlevel voltage conversion applications. Oscillator control circuitry and fourpower MOSFET switches are included on-chip. A typical MAX870 application isgenerating a -5V supply from a +5V logic supply to power analogue circuitry. Itcan deliver 25mA with a voltage drop of 500mV. This device is used in small LCDpanels, cell phones, medical instruments, handy-terminals, PDAs andbattery-operated equipment.Supply current is 0.7mAOperating temperature range from -40°C to 85°CPower efficiency is 90%Voltage conversion efficiency is 99.3%Invert input supply voltageRequire only two capacitorsShutdown controlApplicationsPower Management, Portable DevicesProduct InformationOutput Type: FixedInput Voltage Min: 1.4VInput Voltage Max: 5.5VDC / DC Converter IC Case: SOT-23No. of Pins: 5PinsOutput Current: 25mATopology: InvertingOperating Temperature Max: 85°CMSL: MSL 1 - Unlimited
