Description:Fully compliant with VR12™ specifications, the ISL6363 provides a complete solution for microprocessor core and graphics power supplies. It provides two Voltage Regulators (VRs) with three integrated gate drivers. The first output (VR1) can be configured as a 4, 3, 2 or 1-phase VR while the second output (VR2) is a 1-phase VR. The two VRs share a serial control bus to communicate with the CPU and achieve lower cost and smaller board area compared with a two-chip approach. Based on Renesas' Robust Ripple Reg
Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise and EMI.
Renesas provides a component selection guide in their datasheet, which includes formulas and guidelines for selecting the right inductor, capacitors, and resistors based on the specific application requirements and operating conditions.
The ISL6363IRTZ-T has an operating temperature range of -40°C to +125°C, but it's recommended to derate the device's performance and power handling at higher temperatures to ensure reliability and prevent thermal shutdown.
The ISL6363IRTZ-T has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. Additionally, the device has a short-circuit detection feature that can be implemented by monitoring the voltage on the VSENSE pin and comparing it to a threshold value.
The recommended startup sequence for the ISL6363IRTZ-T is to first apply the input voltage, then the enable signal, and finally the clock signal. This ensures that the device powers up correctly and avoids any potential latch-up or malfunction.
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ISL6363IRTZ-T Overview
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