MAX860ESA+T

The MAX860ESA+T is a frequency selectable, switched capacitor voltage converter in 8 pin NSOIC package. This capacitive charge pump either invert or double the voltage applied to its inputs. It inverts input voltages ranging from voltages ranging from 1.5V to 5.5V or double input voltage ranging from +2.5V to +5.5V. Because of its high switching frequency, this device uses only two small low cost capacitors. The 50mA output makes switching regulator unnecessary and eliminates inductor and their associated cost, size and EMI. Greater than 90% efficiency over most of load current range, combined with a typical operating current of only 200μA provides ideal performance for both battery powered and board level voltage conversion applications. A frequency control (FC) pin provides three switching frequencies to optimize capacitor size and quiescent current and to prevent interference with sensitive circuitry. It is used in operational-amplifier power supplies and interface power supplies.

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