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MAX1682 - Switched-Capacitor Voltage Doublers

General Description

The ultra-small MAX1682/MAX1683 monolithic, CMOS charge-pump voltage doublers accept input voltages ranging from +2.0V to +5.5V.

Key Features

  • o 5-Pin SOT23 Package o +2.0V to +5.5V Input Voltage Range o 98% Voltage-Conversion Efficiency o 110µA Quiescent Current (MAX1682) o Requires Only Two Capacitors o Up to 45mA Output Current MAX1682/MAX1683 ________________________.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX1680 Switched-Capacitor Voltage Converters
MAX1681 Switched-Capacitor Voltage Converters
MAX1683 Switched-Capacitor Voltage Doublers
MAX1684 Low-Noise / 14V Input / 1A / PWM Step-Down Converters
MAX1685 Low-Noise / 14V Input / 1A / PWM Step-Down Converters

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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19-1305; Rev 1; 8/98 Switched-Capacitor Voltage Doublers General Description The ultra-small MAX1682/MAX1683 monolithic, CMOS charge-pump voltage doublers accept input voltages ranging from +2.0V to +5.5V. Their high voltage-conversion efficiency (over 98%) and low operating current (110µA for MAX1682) make these devices ideal for both battery-powered and board-level voltage-doubler applications. Oscillator control circuitry and four power MOSFET switches are included on-chip. The MAX1682 operates at 12kHz and the MAX1683 operates at 35kHz. A typical application includes generating a 6V supply to power an LCD display in a hand-held PDA. Both parts are available in a 5-pin SOT23 package and can deliver 30mA with a typical voltage drop of 600mV.