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Analog Devices MAX17227J nanoPower Boost Converter is an ultra-low IQ (350nA) synchronous step-up converter optimized for battery-powered systems requiring long battery running time, high efficiency across a wide load range, and small solution size. This device can operate across a wide 0.4V to 5.5V input voltage range. The output voltage is programmed in the 2.3V to 5.2V range, with 100mV resolution using a single resistor connected from the RSEL pin to the ground. A preprogrammed 5.4V output voltage is also available, however, the device does not support ultra-low-power mode (ULPM) when the target output voltage is 5.4V.
The MAX17227J utilizes an adaptive on-time Pulse Frequency Modulation (PFM) control scheme that consumes ultra-low quiescent current. The MAX17227J also features True Shut-down™ mode, where the output disconnects from the input with no forward or reverse current. The active discharge resistor feature pulls the charge from the output capacitor.
The Analog Devices MAX17227J nanoPower Boost Converter is offered in a space-saving 1.58mm x 0.89mm WLP-6 package. The device has an ambient operating temperature range from -40°C to +125°C.
