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SAM (Supervisor And Monitor)

The ISL6550 is a precision, flexible, VID-code-controlled reference and voltage monitor for high-end microprocessor and memory power supplies. It monitors various input signals, and supervises the system (typically a DC/DC converter) with its output signals. See the Block Diagram for reference.

Features

? 12V supply operation

? 5V reference output

? 5-bit digital-to-analog converter

? Programmable DAC Range, within 0.8–5.0V

? Programmable undervoltage and overvoltage thresholds, and latched fault detection

? Optional delayed undervoltage (programmable with external capacitor)

? Undervoltage lockout (power-on-reset)

? Status Indicators (START, PGOOD)

? Uncommitted operational amplifier

? Compatible with ISL6551 full bridge controller

? 20 Lead SOIC and 20 lead QFN (5x5) packages

Applications

? Power Supplies for High End Microprocessors and Servers

? Can be paired with the ISL6551 FBC for a complete full bridge 48V-input converter, or used independently