MAX6387XS26D3+T

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A PMIC - Supervisors, the MAX6387XS26D3+T is a low voltage monitor, voltage supervisor, and supervisory circuit with a wide operational range. It is designed to reset the system, and to alert users in case of power failure. In general, it is a versatile IC which can be used in a number of applications.

Features

The MAX6387XS26D3+T contains several features that make it an excellent choice for any system. It includes a supply current of 1.3mA for a 1.8V supply voltage. It has a wide input voltage range from 1.3V to 24V, with an operating temperature range from −40°C to +125°C. It also has an adjustable delay from 1ms to 200ms and a power reset output with a pulse width of approximately 70ms.

In addition, the MAX6387XS26D3+T supports a variety of power-fail modes. It can stay active in an active-high or active-low mode, and it can also enter into a power-fail or power-save mode. Furthermore, the IC also contains a window detection feature that can detect and respond to a voltage level that is higher or lower than the preset voltage level.

Application Field

The wide operational range and different power-fail modes of the MAX6387XS26D3+T IC make it ideal for a number of applications. It can be used to monitor and reset industrial control systems, providing reliable and cost-effective system protection. It can also be used for battery management, providing reset and fault detection capabilities. In addition, the MAX6387XS26D3+T can be used as a cold-start circuit, which provides important system protection during low and no load conditions.

Furthermore, the MAX6387XS26D3+T can be used as a power-fail warning system, notifying the user promptly of any power supply failure. This is particularly useful in applications where reliable power supply is critical. It can also be used as a reset or power-on logic circuit, providing system reset and power-on management in situations where it is important to ensure a system is properly initialized.

Working Principle

The MAX6387XS26D3+T IC works by continuously monitoring the power supply to detect any changes. When a power failure or an out-of-range detection occurs, a signal is generated which can be used to reset the system. It also provides an adjustable window detection feature, allowing for the detection of voltages that are either higher or lower than the preset voltage.

The MAX6387XS26D3+T has several pins that control its operation. The RESETn pin is an open-drain gate whose output is signaled true when the power supply is within the range set by the PIN1, PIN2, and PIN3 power supply pins. The RESET pin is an open-drain gate whose output is signaled true when the voltage level is outside the range set by the PIN1, PIN2, and PIN3 power supply pins. The WDSn pin is an open-drain output and is asserted whenever the voltage is outside the window voltage range set by the PIN1, PIN2, and PIN3 pins.

The MAX6387XS26D3+T IC is a versatile IC which can be applied in a variety of applications where reliable power supply and reset protection is required. With a wide range of features and a wide input voltage range, it can provide reliable system protection and detection of power faults. It can also detect power-fail states quickly, allowing prompt and reliable system reset operations.

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