NCP1729SN35T1G

The NCP1729SN35T1G is a switched-capacitor CMOS charge-pump Voltage Inverter designed for operation over an input voltage range of 1.5 to 5.5V with an output current capability in excess of 50mA. The operating current consumption is only 122μA and a power saving shutdown input is provided to further reduce the current to a mere 0.4μA. The device contains a 35kHz oscillator that drives four low resistance MOSFET switches, yielding a low output resistance of 26Ω and a voltage conversion efficiency of 99%. This device requires only two external 3.3μF capacitors for a complete inverter making it an ideal solution for numerous battery-powered and board level applications. The charge-pump converter inverts the voltage applied to the Vin pin. Conversion consists of a 2-phase operation.

• Charge pump capacitor losses due to equivalent series resistance
• I²R Losses due to the on-resistance of the MOSFET switches on-board the charge pump

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Power Management, Imaging, Video & Vision, Consumer Electronics, Portable Devices, Automotive

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Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.