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MAX1677 - Compact / High-Efficiency / Dual-Output Step-Up and LCD Bias DC-DC Converter

Key Features

  • o No External FETs Required o Main Output Up to 350mA for Logic Supply Fixed 3.3V or Adjustable (2.5V to 5.5V) Synchronous Rectification for High Efficiency (up to 95%) 300kHz (200kHz to 400kHz Synchronizable) Fixed-Frequency PWM Operation o Secondary Output Up to +28V or -28V for LCD Bias Programmable Current Limit o 0.7V to 5.5V Input Voltage Range o 20µA Quiescent Current o 1µA Shutdown Current o Low-Battery Comparator o Small 16-Pin QSOP Package MAX1677 The MAX1677 is a compact, high-effic.

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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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19-1403; Rev 0; 11/98 NUAL KIT MA ATION U EET L H A S V E S DATA W O L L FO Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter General Description Features o No External FETs Required o Main Output Up to 350mA for Logic Supply Fixed 3.3V or Adjustable (2.5V to 5.5V) Synchronous Rectification for High Efficiency (up to 95%) 300kHz (200kHz to 400kHz Synchronizable) Fixed-Frequency PWM Operation o Secondary Output Up to +28V or -28V for LCD Bias Programmable Current Limit o 0.7V to 5.