LTC693CSW

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The LTC693CSW is a part of the PMIC - Supervisors family, specifically developed as a multifunction supervisor device. It is a low-power microprocessor supervisor, integrated with features like power-on reset, power-down reset, clock management and system reset. This device is designed to maintain reliable system performance and simplify layout of system boards with its very small package.

The device is based on a hybrid approach that combines components with surface-mount resistors and capacitors that are connected to its circuit. This combination creates a low-level reset window by comparing the supply level with a reference voltage. Activation or deactivation of these components determines the reset window. The window covers both under-voltage and over-voltage conditions, which activates the reset output at the correct time.

The LTC693CSW also features an additional set point for power-down reset (PDR). This is activated when the supply voltage drops below a preset threshold level. The reset signal is output under both open-drain and push-pull outputs. The push-pull output can be used to reset the microprocessor-based systems, while the open-drain output can be used to control other devices such as digital logic or memory devices.

The LTC693CSW’s clock management feature offers the user a wide range of options that can be used to manage the clock and reset timing during power-on, power-down and system reset. The clock monitor can be configured to lock the system when a clock failure is detected.

The system reset feature of this device is specifically designed for microprocessor-based systems. It allows to reset the system without having to switch off power supply. This feature gives the system a better protection against sudden external interference or power supply noise. This system reset feature also works together with the PDR reset to generate a power-down reset signal when the supply voltage drops below the preset threshold.

The LTC693CSW is a multifunction supervisor device with compact dimensions and has a wide field of applications, ranging from industrial control, medical monitoring and aerospace communications. The device has on-board resistors, capacitors and a microcontroller, which provides the reliability and flexibility to meet the demands of today’s applications. In short, the LTC693CSW device provides a flexible, reliable, and low-power supervisor solution that can be used to ensure system performance and simplify system layout.

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