5V EconoReset with Active High Push-Pull Output
DescriptionThe DS1812 (5V) and DS1817 (3.3V) EconoResets are simple three-pin voltage monitors and power-on resets that hold reset for 150ms for stabilization after power returns to tolerance. The voltage monitor uses precision temperature reference and comparator circuits that detect out-of-tolerance conditions and generate an active high reset.
The output has a push-structure capable of maintaining a valid output to 0 volts with a 100kΩ pull-down resistor. The low-power circuit has a quiescent current consumption of only 40 micro-amps.
The DS1812 replaces discrete components and saves space, particularly in the new SOT-23 package. EconoResets can benefit any system that requires reliable processor operation, especially consumer products like printers, HVAC, energy management, cellular telephones, PDAs, and set-top boxes.
- Power-fail detection
- Resets system during power transients
- Push-pull active high reset
- 150ms stabilization pause
- Maximum quiescent current of 40µA
- Operating ranges:
- 5V with 5%, 10% or 15% tolerance
- -40°C to +85°C
|Part Number||Reset Thresh.|
|Reset Out||tRESET||Watchdog Feature||Reset Thresh. Accur.|
|min||@ +25°C||max||See Notes|
|DS1812||3.3 to 5.5|
|85ms to 300ms||No Watchdog||2.5||40|
|Device||Fab Process||Technology||Sample size||Rejects||FIT at 25°C||FIT at 55°C||Material Composition|