ISL91302BIKZT7AR5850

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91302BIKZT7AR5850 is a highly efficient, dual or single output, synchronous multiphase buck switching regulator from Renesas Electronics Corporation. It delivers up to 5A per phase continuous output current using four integrated power stages assignable to either output. The device supports 2.5V to 5.5V supply voltage and features R5 modulator technology for ultra-fast transient response with less than 150μF nominal output capacitance. It offers ±0.7% system accuracy with remote voltage sensing and independent Dynamic Voltage Scaling (DVS) for each output.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Configurable dual or single output topology allowing flexible assignment of four integrated power stages
• R5 modulator technology enabling robust power solution with seamless DCM/CCM transitions without external compensation
• Integrated low ON-resistance MOSFETs and automatic diode emulation to maximize efficiency while minimizing external component count
• Factory OTP programmable PWM frequency and I2C/SPI programmable output voltage range

Voltage Regulators - DC DC Switching Regulators Applications

• CPU and GPU core power in mobile applications
• Power management for application processors in smartphones and tablets
• AI processor and industrial MPU power supplies
• FPGA core voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix AR5850 against official Renesas documentation to confirm custom OTP programming details and device marking specifications. Ensure compatibility with required I2C/SPI interface configurations and check for any product discontinuance notifications associated with this specific ordering code before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing space-constrained systems requiring high efficiency and fast transient response. It is suitable for applications needing independent dynamic voltage scaling for multiple rails. Consider the 54-ball WLCSP package constraints and verify that the required output current per phase does not exceed the 5A limit for the chosen configuration.

Voltage Regulators - DC DC Switching Regulators Part Context

The ISL91302B belongs to Renesas's family of highly configurable PMICs designed for mobile and industrial processing loads. It utilizes proprietary R5 modulation technology to achieve industry-leading transient performance. This series targets designers seeking to minimize solution size while maintaining high efficiency across varying load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Renesas resources for potential cross-references.