XC9289A33C1R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9289A33C1R-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It operates with an input voltage range of 2.5V to 5.5V and delivers a fixed output voltage of 3.3V at up to 1.5A. The device features a switching frequency of 1.2MHz and a typical quiescent current of 15uA. It is housed in an LGA-8B01-8 package and supports operation temperatures from -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT control technology for stable operation without external compensation components
• Provides high-efficiency synchronous rectification with built-in N-channel driver FETs
• Features low quiescent current consumption to extend battery life in portable applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment needing stable voltage regulation
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm output voltage and switching frequency. Ensure compatibility with required thermal dissipation for the LGA-8B01-8 package. Confirm RoHS compliance status through manufacturer documentation before integration into final products.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required within a 5.5V input limit. Consider the 1.5A current capability and 1.2MHz frequency for balancing size and efficiency. Evaluate thermal performance requirements based on the compact LGA package constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9289 series of synchronous step-down DC/DC converters. The series is characterized by its HiSAT-COT control method, which simplifies design by eliminating the need for external compensation networks while maintaining stability across various load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9289A33D1R-G if a 3MHz switching frequency is preferred. Verify pinout and package dimensions against alternative regulators to ensure mechanical compatibility.