ISL21080CIH330Z-TK

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The ISL21080CIH330Z-TK is a member of the Intersil\'s family of pulse width modulation integrated circuits (PWM ICs) and is part of their portfolio of voltage reference products. The voltage reference has a wide range of applications such as precision solar applications, automotive lighting, automotive engine control systems and communication devices. The chip offers integrated voltage reference with a low 3.2 volts green-mode single output for precision PV regulation and fault protection.

The ISL21080CIH330Z-TK is a standard die-standardized voltage reference with a differential input range. It has an accuracy of 3.2 mV and a nominal temperature coefficient of 55 ppm/°C for the input voltage up to 10.0 volts and a temperature coefficient of 1.25 mV/°C for the input voltage from 10.1 to 33 volts. It also incorporates a current-sense amplifier and a temperature-sensing linear correction circuit to improve current-sense accuracy under a wide range of temperatures. It has a flexible feature that allows the user to set the current and voltage output limits. The user also can adjust the undervoltage lockout levels, making it ideal for use in a variety of systems.

It has a single-ended 1.25V reference voltage that is tightly regulated and temperature-stable over a temperature range of -40°C to +85°C. Its pulse-width modulated (PWM) output is configured to nominally 1.25V and has a minimum output voltage of 0.95V. This PWM output also features holdup capability and can be configured to drive a variety of loads, including active loads. The PWM output is directly rail-to-rail and able to source up to 5A for steady-state loads and up to 7A for surge loads.

The ISL21080CIH330Z-TK also comes with protection features such as thermal shutdown and protection against overvoltage, overcurrent and undershoot. The overvoltage protection prevents the voltage to exceed a certain set threshold, while the overcurrent protection will shut down the power supply if the current exceeds the set limit. The undershoot protection will ensure that the voltage does not fall below the specified level.

In addition to these features, the ISL21080CIH330Z-TK incorporates a low 6.1mV voltage dropout when the load current is 7A, low quiescent current and high ripple rejection ratio for reliable operation across a wide range of supply-voltage fluctuation conditions. The ISL21080CIH330Z-TK also features both an adjustable soft-start and an adjustable output-voltage disable.

The ISL21080CIH330Z-TK can be used in a variety of applications such as DC-DC converters, AC-to-DC power supplies, automotive regulator circuits, and voltage reference converters. The chip is also suitable for use in high-speed switching applications such as LED lighting and telecommunications.

Overall, the ISL21080CIH330Z-TK is a highly reliable and robust voltage reference IC which offers a wide range of features and protection functions that can be leveraged in a variety of applications. Its combination of high performance and low supply-voltage requirements make the IC an excellent choice for the most demanding applications.

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