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MAX1721 - Switched-Capacitor Voltage Inverters

Download the MAX1721 datasheet PDF. This datasheet also covers the MAX1719 variant, as both devices belong to the same switched-capacitor voltage inverters family and are provided as variant models within a single manufacturer datasheet.

General Description

The ultra-small MAX1719/MAX1720/MAX1721 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.5V to +5.5V.

The MAX1720 operates at 12kHz, and the MAX1719/MAX1721 operate at 125kHz.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX1719_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX1719/MAX1720/MAX1721 19-1439; Rev 2; 4/04 SOT23, Switched-Capacitor Voltage Inverters with Shutdown General Description The ultra-small MAX1719/MAX1720/MAX1721 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.5V to +5.5V. The MAX1720 operates at 12kHz, and the MAX1719/MAX1721 operate at 125kHz. High efficiency, small external components, and logiccontrolled shutdown make these devices ideal for both battery-powered and board-level voltage conversion applications. Oscillator control circuitry and four power MOSFET switches are included on-chip. A typical MAX1719/ MAX1720/MAX1721 application is generating a -5V supply from a +5V logic supply to power analog circuitry.