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MAX783 - Triple-Output Power-Supply Controller for Notebook Computers

Description

The MAX783 is a system-engineered power-supply controller for notebook computers or similar battery-powered equipment.

It provides two high-performance step-down (buck) pulsewidth modulators (PWMs) for +3.3V/+5V and dual PCMCIA VPP outputs powered by an integral flyback winding controller.

Features

  • o o o o o o o Dual PWM Buck Controllers (+3.3V and +5V) Dual PCMCIA VPP Outputs (0V/3.3V/5V/12V) Two Precision Comparators or Level Translators Power-Ready Status Output (RDY5) 95% Efficiency Optimized for 6-Cell.

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Full PDF Text Transcription

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19-0045; Rev 1; 5/94 In it d nK atio nclude u l a I Ev tion a form Triple-Output Power-Supply Controller for Notebook Computers ____________________________Features o o o o o o o Dual PWM Buck Controllers (+3.3V and +5V) Dual PCMCIA VPP Outputs (0V/3.3V/5V/12V) Two Precision Comparators or Level Translators Power-Ready Status Output (RDY5) 95% Efficiency Optimized for 6-Cell Applications 420µA Quiescent Current; 70µA in Standby (linear regulators alive) 25µA Shutdown Current o 5.5V to 30V Input Range o Small SSOP Package o Fixed Output Voltages Available: 3.3V (standard) 3.45V (High-Speed Pentium™) 3.6V (PowerPC™) _______________General Description The MAX783 is a system-engineered power-supply controller for notebook computers or similar battery-powered equipment.
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