ISL9011IRKFZ

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ISL9011IRKFZ

ISL9011IRKFZ is a low-voltage, low-dropout regulator (LDO) designed to deliver efficient, low-noise, low-ripple and low-cost power in a wide range of applications. It has a wide input operating voltage range of 4.3V to 24V, an adjustable output voltage range of 0.6V to 16V and provides up to 0.4A of continuous output current. The ISL9011IRKFZ features a shutdown pin, active Reverse Current Protection, and Thermal Shutdown. The device can be operated in quasi-fixed or R / C adjustable linear mode with an external resistor. The LDO also features short-circuit protection, thermal overload protection and reverse current protection.

Application Field

The ISL9011IRKFZ is suitable for use in a variety of applications. It is suitable for providing voltage regulation in LED lighting, MCU/DSP for embedded applications, portable and consumer electronics, automotive, industrial and medical systems. It is also suitable for providing a high-quality, ripple-free supply for power amplifiers, low-noise supplies for high-performance op-amps and high-accuracy analog circuits. It is well-suited for applications where power is a premium, as its low-dropout operation ensures efficient power conversion.

Working Principle

The working principle of the ISL9011IRKFZ is based on the linear regulator configuration. In this configuration, the output voltage is regulated to a fixed value determined by the series resistor divider network that is connected to the output voltage pin (ADJ). A feedback network is used to compare the output voltage to a reference voltage. If the output voltage rises above the set value, the feedback loop reduces the output current, while if the output voltage falls, the feedback loop increases the output current to maintain the desired output voltage.

The ISL9011IRKFZ features an integrated low-dropout (LDO) regulator controller circuit, which is designed to minimize on-resistance and provide a low dropout voltage. The device can operate in quasi-fixed mode or R/C adjustable linear mode with an external resistor. It is also equipped with full protection features, such as current limit, thermal protection, reverse current protection and reverse battery protection.

The ISL9011IRKFZ is an efficient, low-noise, low-ripple and low-cost linear regulator. Its wide input voltage, adjustable output voltage and protection features make it suitable for a variety of application fields. Its low-dropout operation ensures efficient power conversion and its adjustable linear mode allows it to be adapted to different voltage and current levels.

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