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ADM1051A - Precision Dual Voltage Regulator Controllers

General Description

The ADM1051/ADM1051A are dual, precision, voltage regulator controllers intended for power rail generation and active bus termination on personal computer motherboards.

They contain a precision 1.2 V bandgap reference and two channels consisting of control amplifiers driving external power devices.

Key Features

  • Two Independent Controllers on One Chip 1.515 V and 1.818 V Outputs Shutdown Inputs to Control Each Channel Compatible with PC Motherboard.

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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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a FEATURES Two Independent Controllers on One Chip 1.515 V and 1.818 V Outputs Shutdown Inputs to Control Each Channel Compatible with PC Motherboard TYPEDET Signal ؎2.5% Accuracy Over, Line, Load, and Temperature Low Quiescent Current Low Shutdown Current Works with External N-Channel MOSFETs for Low Cost “Hiccup Mode” Fault Protection No External Voltage or Current Setting Resistors 1.8 V/3.3 V ICH Sequenced Power-Up on ADM1051A Small, 8-Lead SOIC Package APPLICATIONS Desktop Computers Servers Workstations Precision Dual Voltage Regulator Controllers ADM1051/ADM1051A GENERAL DESCRIPTION The ADM1051/ADM1051A are dual, precision, voltage regulator controllers intended for power rail generation and active bus termination on personal computer motherboards. They contain a precision 1.