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MAX1822 - High-Side Power Supply

General Description

The MAX1822 high-side supply, using a regulated charge pump, generates a regulated output voltage 11V greater than the input supply voltage to power high-side switching and control circuits.

Key Features

  • o +3.5V to +16.5V Operating Supply Voltage Range o Output Voltage Regulated to VCC + 11V (typ) o 150µA (typ) Quiescent Current o Power-Ready Output MAX1822 Ordering Information PART MAX1822ESA TEMP. RANGE -40°C to +85°C PIN-.

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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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19-1892; Rev 0; 1/01 High-Side Power Supply _______________General Description The MAX1822 high-side supply, using a regulated charge pump, generates a regulated output voltage 11V greater than the input supply voltage to power high-side switching and control circuits. The MAX1822 allows low-resistance N-channel MOSFETs (FETs) to be used in circuits that normally require costly, less efficient P-channel FETs and PNP transistors. The highside output also eliminates the need for logic FETs in +5V and other low-voltage switching circuits. A +3.5V to +16.5V input supply range and a typical quiescent current of only 150µA make the MAX1822 ideal for a wide range of line- and battery-powered switching and control applications where efficiency is crucial.