LTC2951IDDB-1#TRMPBF developed by Linear Technology/Analog Devices is a type of micropower pushbutton ON/OFF controller with a wide input voltage range. The pushbutton turn-OFF debounce time is set to be externally programmable while the turn-ON debounce time is fixed at 128ms. With the extremely low quiescent current (6µA typical), the device provides optimum performance for battery-powered applications. Proper power-down can be ensured based on an adjustable KILL timeout delay in the case of system fault.