XC9291B29E1R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9291B29E1R-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It features HiSAT-COT control for stable operation with small output capacitors and supports PWM/PFM auto-switching for high efficiency across load ranges. The device accepts an input voltage range of 1.8V to 30V and provides a fixed output voltage of 2.9V. It delivers a maximum output current of 600mA. The component is housed in an extremely compact LGA-6B01 package measuring 1.2mm x 1.2mm x 0.3mm, suitable for space-constrained portable applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT control technology ensures stable operation with minimal external components
• Auto-switching between PWM and PFM modes optimizes efficiency at light and heavy loads
• Synchronous rectification reduces power loss and improves conversion efficiency
• Ultra-compact LGA package design facilitates dense PCB layout

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment with strict size constraints
• Consumer electronics utilizing low-voltage logic circuits
• Industrial control modules needing stable step-down regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix E1R-G against the manufacturer's official datasheet to confirm pinout compatibility and output voltage specifications. Ensure the ordering code matches the required tape-and-reel quantity if applicable. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.9V output is required from a wide input voltage range up to 30V. The 600mA current rating suits moderate load applications. Consider the LGA-6B01 package dimensions for thermal and spatial constraints. Verify that the HiSAT-COT control meets the stability requirements for the chosen output capacitor type.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9291 series of synchronous step-down DC/DC converters from Torex Semiconductor. The series is characterized by its wide input voltage range and compact packaging options. The XC9291B29E1R-G specifically denotes the variant with a 2.9V fixed output and the E1R-G package suffix, distinguishing it from other output voltage options within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the XC9291 series offering different fixed output voltages if system requirements change. Evaluate other Torex HiSAT-COT controllers for similar current ratings and package footprints. Ensure any replacement maintains compatibility with the existing PCB layout and thermal design constraints.