ADM1817-R23AKSZ-RL

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The ADM1817-R23AKSZ-RL is a high-performance supervisor IC specifically designed for point-of-load (POL) power electronics applications. The device is a member of the Analog Devices’ Power by Linear™ family of supervisory and supervisor ICs and provides reliable, user-programmable power reset, supply sequenced reset and over voltage protection.

The ADM1817-R23AKSZ-RL belongs to the Power by Linear family of PMIC (Power Management IC) Supervisors that are used to prevent electric malfunctions, power brownouts, or other variances or inefficiencies of power supply in electronic systems. PMIC Supervisors not only keep the power supply impedance within safe levels, but also prevent over-voltage and over-current conditions from occurring.

The ADM1817-R23AKSZ-RL is a versatile device that can be used in a variety of applications including in power supplies, distributed power architectures, battery-powered applications, power-over-Ethernet, and communications equipment. Moreover, the highly integrated device features a built-in voltage regulator, voltage supervisor, and reset manager. The ADM1817-R23AKSZ-RL offers PIN programming, an integrated timer, an external capacitor reference, complete over-voltage protection, brownout detection, and thermal shutdown protection, enabling low power dissipation in a single package.

The ADM1817-R23AKSZ-RL works by monitoring the system voltage and generating a reset signal when the monitored voltage reaches a user-programmable threshold. The reset signal is activated for a pre-programmed period of time. If the monitored voltage level is below the programmed threshold, then the reset signal will be released and the system will be allowed to continue normal operation.

The device also includes a brownout detector for monitoring system voltage. The brownout detector feature is used to detect an abnormal conditions, such as under-voltage, load and switch transients, and power losses, and generates a reset signal when a predetermined level is exceeded.

The external voltage comparator feature allows the user to monitor any system voltage or level with the ADM1817-R23AKSZ-RL. The external reference control feature gives the user the ability to adjust the internal voltage reference level, thereby increasing accuracy and flexibility.

The ADM1817-R23AKSZ-RL also features power saving features, such as a low power consumption mode and a thermal shutdown protection. The low power consumption mode reduces the current consumption when the device is not in use, while the thermal shutdown protection will activate when the die temperature reaches a predetermined threshold.

In summary, the ADM1817-R23AKSZ-RL is a high-performance supervisor IC specifically designed for point-of-load (POL) power electronic applications. The device is suitable for distributed power architectures, battery-powered applications, power-over-Ethernet, and communications equipment as it provides reliable, user-programmable power reset, supply sequenced reset, overvoltage protection, and other advanced features.

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