ISL1801IVZ-T

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The ISL1801IVZ-T is a voltage regulator module (VRM) in the Special Purpose category of PMIC voltage regulators. It is designed to efficiently regulate the voltage of a wide range of electronic components, including microprocessors and other integrated circuits. The module is designed for use in high-performance applications requiring fast transient response, reliable regulation, and extremely low power losses. It is also capable of controlling large loads without any over-current or over-voltage protection.

The ISL1801IVZ-T is capable of well regulating both positive and negative voltages up to 45A. This regulator module can be used to interface with either 2.5V or 3.3V power sources. It is suitable for applications where the load current must remain stable during transient load states due to its low power loss design. The use of active current limit circuitry makes this regulator well suitable for applications requiring load current up to 75A, while ensuring there will be no over-current or over-voltage protection.

The main feature of this regulator module is its low power loss design, which is achieved by its patented Constant Output Voltage (COV) circuit. This circuit maintains a stable output voltage across its range of 20mV-45V, ensuring no deviation of output voltage when the load current demands a varying output current. By minimizing power losses, the COV can ensure efficiency and a longer operating life for the regulator module.

The ISL1801IVZ-T is equipped with a high-frequency PWM controller and an external optocoupler for power conversion. The high precision control loop keeps the output voltage stable even when the input voltage changes due to ripple or input voltage fluctuations. The internal reference voltage is accurately regulated at 0.9V. The optocoupler isolates the control circuit from the power conversion circuit, reducing the possibility of interference and providing isolation for the regulator module.

The module is designed for circuit protection, providing over-voltage, over-current, and thermal protection. All these protective features make the module suitable for both industrial and residential applications. Its built-in current sense resistor offers the ability to measure the current draw of the application, allowing for improved monitoring and control.

In addition to the ISL1801IVZ-T, the family of voltage regulators also includes an ISL1801IVZ-C version, which is specially designed for higher current applications. It features a rail-to-rail operation with a low dropout voltage, providing high accuracy and a low quiescent current of 6uA. It also includes both remote PWM and voltage control options.

The ISL1801IVZ-T is an excellent choice for applications requiring accurate and efficient voltage regulation. The low power loss design, high current capability and comprehensive protection features make it suitable for a wide range of applications such as automotive, industrial, and consumer electronics.

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