ISL9011AIRKPZ-T

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The ISL9011AIRKPZ-T is a Low Voltage (1.8V to 5.5V Input) 200mA Low V dropout Linear Regulator. It is designed to provide precision voltage regulation with very low quiescent current while delivering up to 200mA of output current. The device features low dropout voltage (350mV typical @ 200mA) and a fixed output voltage accuracy of 0.5% over-temperature, making it suitable for a wide range of applications.

Application fields for this regulator include DVD players, PC peripherals, PCMCIA cards, cellular phones, battery powered systems, hard drive spin-down control, notebook computers, PDAs and set-top boxes. This device is also suitable for automotive infotainment systems, LCD backlighting control and consumer audio applications.

The ISL9011AIRKPZ-T is a low dropout linear regulator that includes an ultra low quiescent current (12μA typ@5V) and high efficiency (95%) system. The device is designed to provide a regulated output at voltages lower than the input voltage. It features low dropout voltage (V drop = 350mV) and tight line and load regulation (±1.5% typical). The device features a power rail sensing current mirror, which provides additional dynamic output accuracy over line, load and temperature variation. The real time output accuracy is guaranteed for various input voltage and output load conditions over its operating temperature range.

The ISL9011AIRKPZ-T is ideal for use in applications where output accuracy over temperature, line, and load variation is critical. Features include thermal shutdown, short circuit protection and overcurrent protection. The device is available in the lead (Pb) free, thermally enhanced LFCSP 3mmx3mm package.

The ISL9011AIRKPZ-T employs an advanced topology to ensure stable performance across the full temperature range. The device features an integrated current mirror which provides tight output accuracy while operating with minimum power loss. The system typically draws only 12μA quiescent current, which extends battery life by minimizing the standby current. The device’s soft start helps to ensure a fast, smooth startup and prevents output overshoot and inrush current.

The ISL9011AIRKPZ-T also provides a high level of output regulation and accuracy. The device operates with a dropout voltage of 350 mV at 200 mA. In addition, it offers ±1.5% typical line and load regulation and 0.5% initial accuracy across the full temperature range. The device also includes an integrated overvoltage protection circuit that shuts down the regulator when the output voltage exceeds the upper limit for an adjustable period of time. This prevents damage to downstream components due to excessive output voltage. The ISL9011AIRKPZ-T also includes an overcurrent protection circuit to protect the device from output short-circuits.

In summary, the ISL9011AIRKPZ-T is a low dropout, high efficiency linear regulator ideal for use in a wide variety of applications. It offers excellent output accuracy, low quiescent current and high efficiency, making it ideal for applications with stringent output accuracy and low power consumption requirements. The device also features integrated protection features such as thermal shutdown, short circuit protection and overcurrent protection, which help to ensure safe, reliable operation in the most demanding conditions.

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