Description:The ISL8107 is a single phase, non-synchronous buck controller with an integrated high-side MOSFET driver. The controller operates from 9V to 75V input voltage range. The internal 1.192V reference voltage has a tolerance of ±1% over the industrial temperature range. The ISL8107 employs voltage-mode control with feedforward compensation to provide optimal transient response and a constant loop gain over a wide input voltage range. The switching frequency can be programmed from 100kHz to 600kHz by external re
The ISL8107IRZ can handle a maximum input voltage of 18V, but it's recommended to operate within the specified input voltage range of 6.5V to 14V for optimal performance and reliability.
To ensure the stability of the output voltage, it's essential to follow the recommended layout guidelines, use a suitable output capacitor with a low ESR, 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 between the VOUT and GND pins.
The ISL8107IRZ can provide a maximum output current of 7A, but it's recommended to operate within the specified output current range of 0.5A to 5A for optimal performance and reliability.
To protect the ISL8107IRZ from overheating, it's essential to ensure good thermal design, including a suitable heat sink, and to operate the device within the specified temperature range of -40°C to 125°C. Additionally, the device has built-in thermal protection, which will shut down the device if the junction temperature exceeds 150°C.
The EN (Enable) pin is used to enable or disable the device. When the EN pin is pulled high, the device is enabled, and when it's pulled low, the device is disabled. This pin can be used to implement power sequencing or to shut down the device when not in use.
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ISL8107IRZ Overview
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