ADM1815-R23ARTZ-R7

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The ADM1815-R23ARTZ-R7 is a multi-port supervisor designed to monitor four separate power-supply lines. This supervisor device implements both a hysteresis voltage, typically 0.95V to 1.05V, and a voltage-level monitoring function. This feature increase the margin of safety of the device and allows the correct power sequencing even if the target system takes a long time to start up or to shut down.

The ADM1815-R23ARTZ-R7 is a high-performance and cost-effective supervisor that provides ±25mA high current drive at an operating voltage from 2.7V to 7.0V. It also offers a wide variety of reset options, including active-high, active-low, and delayed active-low functions.

The supervising and resetting of the power-supply lines by the ADM1815-R23ARTZ-R7 enables the system to recover from conditions such as a brown-out, overvoltage, and overcurrent. The device also has a built-in thermal shutdown feature and is designed to meet all modern safety requirements.

The main application field of the ADM1815-R23ARTZ-R7 is in the monitoring of multiple power supplies in portable consumer electronics, automotive, and industrial control systems. It helps prevent damage from operation outside of the normal voltage or current levels. In addition, the device supports an array of other applications such as reset monitoring, temperature and voltage monitoring, and monitoring of user-defined alarm points.

The ADM1815-R23ARTZ-R7 works on the principle of hysteresis and voltage-level monitoring. When the power-supply line is within the hysteresis range of the supervisor, a HIGH signal is outputted. When the voltage-level monitoring is activated, the supervisor will monitor the voltage and output a LOW signal when it falls below a certain level. If the voltage goes below the reset threshold, it will output a reset signal.

The ADM1815-R23ARTZ-R7 also comes with an onboard voltage reference circuit and power-on reset circuit, which can be used for monitoring system voltage and generating reset signals. The device also has an adjustable delay for the reset signal, which is versatile and can be used for power-up and power-down reset sequencing applications.

The ADM1815-R23ARTZ-R7 is a robust, low-power supervising device for multiple power supplies. Its accurate reset and thermal shutoff functions make it an ideal choice for a wide range of applications, from portable consumer electronics to automotive and industrial control systems. With its wide operating voltage range and high current drive capability, it is well suited to serve as an all-round power supervisor.

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