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SNAS659A – JUNE 2015 – REVISED JULY 2015 TPL5111 Nano-Power System Timer for Power Gating
1 Features 3 Description The TPL5111 Nano Timer is a low power system
timer, ideal for power gating in duty cycled or battery
powered applications. Consuming only 35 nA, the
TPL5111 can be used to enable and disable the
power supply for a micro-controller or other system
device, drastically reducing the overall system standby current during the sleep time. This power saving
enables the use of significantly smaller batteries and
makes the TPL5111 well suited for energy harvesting
or wireless sensor applications. The TPL5111
provides selectable timing intervals from 100 ms to
7200 s. In addition, the TPL5111 has a unique Oneshot feature where the timer will only assert its enable
pulse for one cycle. The TPL5111 is available in a 6 pin SOT23 package. 1 Selectable Time Intervals: 100 ms to 7200 s
Timer Accuracy: 1% (typical)
Current Consumption at 2.5 V: 35 nA (typical)
Resistor Selectable Time Interval
Manual Power-On Input …