XC9287A34DPR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9287A34DPR-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It features PWM control with a fixed switching frequency of 1.2 MHz and delivers a regulated output voltage of 3.4 V at up to 1.5 A. The device operates within an input voltage range of 2.5 V to 5.5 V and maintains a low quiescent current of 15 uA. It supports operation from -40°C to +105°C and includes shutdown functionality. The component is housed in a compact SOT-89-5 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT technology for stable operation without requiring external compensation components
• Provides high-efficiency power conversion through integrated synchronous rectification
• Supports flexible system management via dedicated shutdown pin control

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient step-down regulation
• Battery-powered equipment utilizing single-cell lithium-ion sources
• Embedded systems needing stable low-voltage power rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DPR against official datasheets to confirm the SOT-89-5 package configuration. Ensure compatibility with required thermal dissipation standards for the target application environment. Cross-reference the manufacturing date code and RoHS compliance status with authorized distributors to guarantee authenticity and adherence to environmental regulations.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 3.4 V output is required alongside a 1.5 A load capacity. The 1.2 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the SOT-89-5 package constraints regarding thermal performance and available PCB real estate during the design phase.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9287 family of HiSAT-COT synchronous buck converters. The series is characterized by high efficiency and minimal external component requirements. Variants within the family differ primarily in fixed output voltages and packaging options, catering to diverse space and power constraints in modern portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other XC9287 variants with identical 3.4 V outputs but different packages, such as XC9287A34DER-G. Verify pinout compatibility and thermal characteristics before substituting components with differing package types.