XC9287B34DER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9287B34DER-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It features PWM control with a fixed output voltage of 3.4 V and a maximum output current of 1.5 A. The device operates within an input voltage range of 2.5 V to 5.5 V. Key electrical parameters include a quiescent current of 15 uA and a switching frequency of 3 MHz. It supports a shutdown function and functions across a temperature range of -40 C to +105 C. The component is housed in a USP-C-EP-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT technology for stable operation without external compensation components.
• Provides high efficiency through synchronous rectification with integrated low-side MOSFETs.
• Includes built-in protection mechanisms such as overcurrent protection and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing extended operational life
• Embedded applications utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'G' indicates RoHS compliance when ordering. Confirm the fixed 3.4 V output voltage matches the target load requirements, as adjustable variants exist within the same series. Ensure the USP-C-EP-6 package footprint aligns with the PCB layout specifications before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a precise 3.4 V output is required from a 2.5 V to 5.5 V input source. The 1.5 A current capacity suits moderate load applications. Consider the 3 MHz switching frequency for smaller passive component sizes compared to lower-frequency alternatives. Verify thermal performance at maximum load conditions given the compact package size.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9287 series of HiSAT-COT synchronous buck converters. The series offers various fixed output voltages tailored for different system requirements. All models share common architectural features including high efficiency and compact packaging, designed for space-constrained portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Other XC9287 variants with different output voltage codes (e.g., XC9287BxxDER-G) may serve as functional substitutes if the voltage requirement changes. Cross-reference pinouts and thermal characteristics to ensure compatibility during replacement.