ISL91211AIIZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91211AIIZ-T is a triple-output programmable Power Management IC (PMIC) from Renesas, featuring four buck controllers capable of delivering up to 5A per phase. It operates with an input voltage range of 2.5V to 5.5V and provides adjustable output voltages from 300mV to 1.2V. The device utilizes a 54-ball WLCSP package with a 0.4mm pin pitch, measuring 2.551mm x 3.67mm. It supports I2C programmability and includes features such as automatic diode emulation and pulse skipping for enhanced efficiency.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates four buck controllers with reconfigurable power stages for multiphase or single-phase operations
• Features proprietary R5 Technology controller for tight output accuracy and ultra-fast transient response without external compensation
• Supports independent Dynamic Voltage Scaling (DVS) for each output via I2C programmability
• Includes integrated low ON-resistance MOSFETs and protection functions like UV, OV, OC, and OT

Voltage Regulators - DC DC Switching Regulators Applications

• Xilinx Artix-7 FPGA power supply designs
• Xilinx Spartan-7 FPGA power supply designs
• Xilinx Zynq-7000 series FPGA power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized Renesas distributors. Confirm the specific suffix 'T' indicates tape and reel packaging. Check current availability status as supply may be limited. Ensure compatibility with your PCB layout requirements for the 54-ball WLCSP package. Validate that the operating temperature range meets your system specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this PMIC when designing systems requiring high output power in a small footprint. It is suitable for applications needing multiple regulated rails with precise voltage control. Consider its capability for fast load transients and high efficiency under light loads. Evaluate the need for I2C programmability and DVS support for dynamic power management.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL91211 family of PMICs, which also includes the ISL91211B variant offering four outputs. These devices are optimized for portable electronics and computing platforms demanding efficient power conversion. The family leverages advanced synchronous buck technology to minimize solution size while maintaining robust performance standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.