LTC2901-1CGN#PBF

LTC2901-1 is a programmable supply monitor for systems with upto four supply voltages. One of 16 preset or adjustable voltage monitor combinations can be selected using an external resistor divider connected to the program pin. The preset voltage thresholds are accurate to ±1.5% over temperature. All four voltage comparator outputs are connected to separate pins for individual supply monitoring. The reset and watchdog delay times are adjustable using external capacitors. Tight voltage threshold accuracy and glitch immunity ensure reliable reset operation without false triggering. The RST output is guaranteed to be in the correct state for VCC down to 1V. It is used in application such as desktop and notebook computers, multivoltage systems, telecom equipment, portable battery-powered equipment, network servers etc.

• Open-drain RST output
• Power supply glitch immunity
• Adjustable reset time, adjustable watchdog time
• Guaranteed RST for VCC ≥ 1V
• Individual non-delayed monitor output for each supply
• Low supply current is 43μA typical
• Guaranteed threshold accuracy: ±1.5% of monitored voltage over temperature
• Operating temperature is 0°C to 70°C
• Package style is 16-lead plastic SSOP

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