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MAX1637 - Miniature / Low-Voltage / Precision Step-Down Controller

General Description

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Key Features

  • o ±2% DC Accuracy o 0.1% (typ) DC Load Regulation o Adjustable Switching Frequency to 350kHz o Idle Mode™ Pulse-Skipping Operation o 1.10V to 5.5V Adjustable Output Voltage o 3.15V Minimum IC Supply Voltage (at VCC pin) o Internal Digital Soft-Start o 1.1V ±2% Reference Output o 1µA Total Shutdown Current o Output Overvoltage Crowbar Protection o Output Undervoltage Shutdown (foldback) o Tiny 16-Pin QSOP Package MAX1637 The MAX1637 synchronous, buck, switch-mode powersupply controller generate.

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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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19-1321; Rev 1; 2/98 KIT ATION EVALU LE B A IL A AV Miniature, Low-Voltage, Precision Step-Down Controller General Description ____________________________Features o ±2% DC Accuracy o 0.1% (typ) DC Load Regulation o Adjustable Switching Frequency to 350kHz o Idle Mode™ Pulse-Skipping Operation o 1.10V to 5.5V Adjustable Output Voltage o 3.15V Minimum IC Supply Voltage (at VCC pin) o Internal Digital Soft-Start o 1.1V ±2% Reference Output o 1µA Total Shutdown Current o Output Overvoltage Crowbar Protection o Output Undervoltage Shutdown (foldback) o Tiny 16-Pin QSOP Package MAX1637 The MAX1637 synchronous, buck, switch-mode powersupply controller generates the CPU supply voltage in battery-powered systems.