Description:The ISL95870, ISL95870A, ISL95870B ICs are Single-Phase Synchronous-Buck PWM regulators featuring Intersil’s proprietary R4 Technology™. The wide 3. 3V to 25V input voltage range is ideal for systems that run on battery or AC-adapter power sources. The ISL95870A and ISL95870B are low-cost solutions for applications requiring dynamically selected slew-rate controlled output voltages. The soft-start and dynamic setpoint slew-rates are capacitor programmed. Voltage identification logic-inputs select four (ISL9
The maximum input voltage that the ISL95870AIRUZ-T can handle is 25V, but it's recommended to operate within the specified input voltage range of 4.5V to 20V for optimal performance and reliability.
To ensure the stability of the output voltage, it's essential to follow the recommended layout guidelines, use a sufficient output capacitor, and ensure that the input voltage is within the specified range. Additionally, the output voltage can be adjusted using the FB pin, and the output voltage stability can be improved by adding a capacitor in parallel with the output capacitor.
The maximum output current that the ISL95870AIRUZ-T can provide is 7A, but it's recommended to operate within the specified output current range of 0.5A to 5A for optimal performance and reliability.
The ISL95870AIRUZ-T has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OCSET pin and the output voltage. The overcurrent threshold can be set by selecting the appropriate resistor value.
The EN pin is an enable input that allows the user to turn the device on or off. When the EN pin is high, the device is enabled, and when it's low, the device is disabled. This pin can be used to implement power sequencing or to turn off the device when not in use.
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ISL95870AIRUZ-T Overview
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