LTC2911CDDB-3#TRMPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	1.683V, 3.086V, Adj
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-DFN (3x2)
Base Part Number:	LTC2911

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The LTC2911CDDB-3#TRMPBF is a PMIC, or power management integrated circuit, or supervisor specifically designed for micro-power applications such as industrial control, wireless, battery-powered, and automotive applications. The LTC2911CDDB-3#TRMPBF is designed to simplify and protect power systems from power failure and thereby provide a reliable and safe system solution. The device is featured as a low power device that can operate at low supply voltage when needed. The microcontroller also provides monitoring and protection to ensure system stability and at the same time reduce system size.The main application of the LTC2911CDDB-3#TRMPBF is in low power applications and industrial or automotive control applications. It is also suitable for designs with supply-voltage requirements of 5V or less. In essence, it is designed to provide safety and protection for micro-controllers, as well as other microprocessor-based systems. With its adjustable threshold levels and internal voltage-regulation circuits, the device can be used to monitor and regulate power systems. Its built-in EMI shielding and a 3.3V reference guard ring help protect against EMI and noise.The primary working principle of the LTC2911CDDB-3#TRMPBF is to detect and respond to a power-on reset or power failure. The device includes two low-power comparators to detect a supply voltage drop below a preset voltage threshold. If a voltage drop is detected, the device generates an active-low reset pulse on the reset output with a 50 ms duration minimum. This pulse can be used to reset a microcontroller or other digital logic. In addition, the device includes two comparators that detect an absence of any input voltage. When the detected voltage is below the detection threshold, the watchdog output is pulled low to indicate that the voltage is below the preset threshold.The LTC2911CDDB-3#TRMPBF also provides adjustable reset threshold voltages and watch dog voltage thresholds via the external voltage pins. Additionally, the reset can be disabled by applying a logic high to the enable pin. The watchdog feature can be disabled using the watchdog disable pin and an internal low power timer is included which can enable further functionality by fine-tuning the reset or watchdog thresholds. Overall, the LTC2911CDDB-3#TRMPBF is a highly integrated power management supervisor designed for low power applications. With its programmable reset and watchdog thresholds, the device can detect and respond to power-on reset or power failure and reset the microcontroller. Furthermore, its built-in EMI shielding and 3.3V reference guard ring provide added protection and reliability. This feature rich device enables designers to easily create robust and safe designs with lower overall system power consumption.

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