SP707EN-L/TR Integrated Circuits (ICs)

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Introduction to SP707EN-L/TR Application Field and Working Principle

The SP707EN-L/TR is a member of the SP700 family, a low-cost family of supervisors and reference devices specifically designed for use in battery-backed applications. As an integrated device, the SP707EN-L/TR combines a low-current consumer supervisor, a low-dropout linear regulator, and a watchdog timer. This paper will discuss the application fields and working principles of the SP707EN-L/TR.

Application Fields

The SP707EN-L/TR is designed for use in battery-backed applications. It provides a highly reliable, low-power solution for monitoring and manipulating system power supplies. It can be used to create battery-powered systems that require remote supervision and resetting, as well as systems that require a timer to interrupt system power supplies. The SP707EN-L/TR can also be used in the detection of power-on or power-reset signals.

The SP707EN-L/TR can be used in a wide range of applications, including medical instrumentation, automotive electronics, telecommunications, portable equipment, digital signal processing, industrial controllers and graphics chipsets.

Working Principle

The SP707EN-L/TR is an integrated device that combines a low-current consumer supervisor, a low-dropout linear regulator and a watchdog timer. The supervisor integrated circuit (SIC) is an integrated circuit that monitors the system power supply and generates an active-low reset signal when the voltage drops below a preset threshold. The supervisor also features adjustable reset and reset-asynchronous outputs. The watchdog timer is used to detect and reset the system in the event of a system malfunction.

The low-dropout (LDO) linear regulator is used to provide a regulated source of system power. The LDO linear regulator can provide up to 1.5A of regulated current and has a very low dropout voltage. The regulator also features adjustable current limiting and an adjustable output voltage.

The SP707EN-L/TR also features integrated ESD protection for both the reset and reset-asynchronous output pins, as well as an undervoltage lockout circuit to protect the circuit from high temperature events.

Conclusion

The SP707EN-L/TR is a low-cost integrated device designed for use in battery-backed applications. It combines a low-current consumer supervisor, a low-dropout linear regulator, and a watchdog timer to provide a highly reliable, low-power solution for monitoring and manipulating system power supplies. The SP707EN-L/TR can be used in a wide range of applications, including medical instrumentation, automotive electronics, telecommunications, portable equipment, digital signal processing, industrial controllers, and graphics chipsets.

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