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MAX684 Datasheet 3.3V-Input to Regulated 5V-Output Charge Pumps

Manufacturer: Maxim Integrated (now Analog Devices)

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General Description

The MAX682/MAX683/MAX684 charge-pump regulators generate 5V from a 2.7V to 5.5V input.

They are specifically designed to serve as high-efficiency auxiliary supplies in applications that demand a compact design.

The MAX682, MAX683, and MAX684 deliver 250mA, 100mA, and 50mA output current, respectively.

Overview

19-0177; Rev 1; 8/98 3.3V-Input to Regulated 5V-Output Charge.

Key Features

  • o Ultra-Small: 1µF Capacitors per 100mA of Output Current o No Inductors Required o 1.1mm Height in µMAX Package (MAX683/MAX684) o Up to 250mA Output Current (MAX682) o Regulated ±4% Output Voltage o 50kHz to 2MHz Adjustable Switching Frequency o 2.7V to 5.5V Input Voltage o 100µA Quiescent Current in Pulse-Skipping Mode o 0.1µA Shutdown Current MAX682/MAX683/MAX684.

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