SP708EN-L/TR

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PMIC - Supervisors

SP708EN-L/TR is a low voltage +803.3mV supervisor device that protects any system against power failure and brown-out. It is widely used in industry, health care and consumer markets in mobile phones, communication devices and automotive components.

The SP708EN-L/TR offers a wide range of features and industry-leading performance for advanced circuit protection, including:

• High accuracy : Provides instant detection of changes in power condition and ensures the system remains stable.
• Wide temperature range : Capable of operating over an extended temperature range from -40°C to +85°C.
• Overcurrent protection : Provides optimal current sensing accuracy and excellent surge current prevention.
• Power failure detection : Detects and signals the power failure instantaneously.
• Brown-out protection : Automatically resets and restores the voltage, preventing the system from being damaged due to insufficient power supply.
• Selectable power-good delaytimes : Configurable up to 255ms, allows precision system reset timing control.
• Low quiescent current : Provides an ultra-low power consumption of 4.3µA.

Application field

The SP708EN-L/TR is widely used in mobile phones and communication devices, automative components, medical equipment, industrial and consumer markets.

Applications and industries include Automative, machinery and control, communications and networking, industrial control, medical equipment, consumer and portable electronics.

Working principle

The SP708EN-L/TR\'s working principle is based on the comparator model, a constant voltage generated by the internal regulator controls an external resistor divider circuit.

When the voltage of the power supply changes, the voltage at the power divider changes and provides the reference voltage to the comparator. When the voltage of the power supply is lower than the preset threshold, the output of the comparator produces an output signal to indicate abnormality and generating an interrupt, when the voltage of the power supply is higher than the register voltage,the an output signal to indicate normal, and the circuit can active operation.

The SP708EN-L/TR also comes with additional features such as high accuracy, wide temperature range, overcurrent protection, power failure detection, and brown-out protection, leading to the improved reliability and performance of the system.

In summary, the SP708EN-L/TR is a superior low voltage supervisor device that provides superior performance and benefits in a variety of applications. Its high accuracy and reliable operation make it an ideal choice for protecting applications against power failure and brown-out.

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