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