ISL95857HRTZ-T

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The ISL95857HRTZ-T is an efficient, low-power pulse width modulation (PWM) voltage regulator integrated circuit (IC). This IC is ideal for use in multiple types of applications, such as portable medical and industrial systems, light load processors, power supplies, and power conversion applications. It has the ability to supply efficient, low-power charging solutions.

The ISL95857HRTZ-T is classified as a PMIC (Power Management IC) voltage regulator with a specialized purpose. It utilizes a typical DC-DC buck converter, where an input voltage at an upper rating is converted into an output voltage at a lower rating (at a constant or variable frequency). This is done by using the PWM controller’s internal high-side and low-side MOSFET switches with forced temperature and current limit protections.

The ISL95857HRTZ-T boasts an array of features designed to maximize efficiency and provide the user with a reliable voltage regulator. It offers a selectable 1.2V to 1.8V input voltage range, and a selectable 1.2V to 13V output voltage range. It also supports output switching frequencies of between 250kHz to 2MHz, which can support a broad range of applications, such as when fast transient response is required. Furthermore, the ISL95857HRTZ-T achieves an efficiency of up to 96%, depending on various load conditions.

In addition, the ISL95857HRTZ-T has an adjustable output current limit, soft start ramp rate, and a power good indicator. The adjustable output current limit allows the user to customize the current output rating to match their particular application requirements. The soft start ramp rate enables the user to gradually increase the output voltage as the load increases. This reduces the potential for any inrush current, which further helps to optimize the circuit performance. Lastly, the power good indicator allows the user to monitor the output voltage for any deviations or uncommanded shutdowns.

The ISL95857HRTZ-T has built-in safety features designed to protect the device from over-current or over-temperature conditions. It also incorporates an enable control, which allows the user to control the output voltage through active low control. This provides the user with additional safety and customization options.

In conclusion, the ISL95857HRTZ-T is an efficient, low-power voltage regulator IC that is especially suited for applications such as power supplies, portable medical and industrial systems, and power conversion. It supports a selectable input voltage range, adjustable output current limit, and a variety of safety features. Furthermore, it provides excellent efficiency levels and a power good indicator, making it an ideal choice for a wide range of applications.

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