LM809M3X-4.63/NOPB Integrated Circuits (ICs)

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Power Management Integrated Circuits, or PMICs, are becoming a crucial component of electrical and electronic systems. As system power requirements increase and total power budgets become more complex, manufacturers are increasingly turning to PMICs to manage multiple power sources and efficiently control power to the system. The LM809M3X-4.63/NOPB is a 3-Channel Low Voltage Low Quiescent Current Supervisor with Temperature Compensated Watchdog Timer from Texas Instruments. It is well-suited for embedded applications, motor control, and numerous other systems.

The LM809M3X-4.63/NOPB provides three independent voltage supervisors with an adjustable trip point. Each channel is configurable as an active-high, active-low comparator with a hysteresis setting of –150 mV. The trip point and reset hold-time of each comparator can be programmed by setting simple logic levels on the inputs. The under-voltage and overvoltage players have to be configured separately. The on-chip watchdog timer has a programmable timeout period from 1 ms to 131s.

The LM809M3X-4.63/NOPB integrates a temperature compensated watchdog timer along with an adjustable push-pull reset output that provides controlled rise and fall times. The power supply voltage range for the LM809M3X-4.63/NOPB is 1.62 V to 5.5 V and the operating temperature is from -40 ℃ to +85 ℃. It also provides an adjustable active-high reset output pin that has a guaranteed reset pulse width of 100 ms at its maximum voltage of 5.5 V. The output state at the reset pin is user configurable. It can be configured as an active high or low, depending on the application.

The LM809M3X-4.63/NOPB is available in an 8-pin PDIP package and is designed to interface directly with microprocessor, digital signal processor and microcontroller signals. It is easy to use and is highly reliable. The LM809M3X consumes only 2 µA of quiescent current. It is capable of monitoring any combination of power, battery, and logic signals that require voltage supervision.

The LM809M3X-4.63/NOPB provides three independent voltage supervisors with an adjustable trip point. When the monitored voltage falls below or exceeds the set trip point, the voltage supervisor will assert a reset signal and hold the system reset low until the reset condition is removed. It also provides an adjustable active-high reset output pin that has a guaranteed reset pulse width of 100 ms at its maximum voltage of 5.5 V. The reset output can be configured as active high or low, depending on the application.

The LM809M3X-4.63/NOPB is used in applications such as embedded systems and motor control where a reliable reset system is required. It can monitor the battery, logic, or power supply voltage and reset the system when necessary. It also provides a temperature compensated watchdog timer with an adjustable push-pull reset output that provides controlled rise and fall times. The LM809M3X-4.63/NOPB is a reliable, low cost solution for preventing system brownouts, blue screens, and sudden lock-ups.

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