XC9802B313ER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9802B313ER-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It integrates high-side and low-side N-channel MOSFETs to achieve high conversion efficiency. The device features a fixed output voltage of 3.3V, determined by the internal resistor divider. It operates with an input voltage range from 2.5V to 6.0V. The maximum output current capability is 1.5A. The switching frequency is fixed at 1.2MHz. The component utilizes a compact X2WN0404B-4C-4 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency
• Fixed internal feedback network for simplified design
• Compact footprint suitable for space-constrained applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment utilizing single-cell lithium-ion batteries
• Embedded systems with strict size limitations

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix ER-G against the manufacturer's latest datasheet to confirm tape and reel packaging specifications. Ensure the operating temperature range aligns with your system requirements. Cross-reference the pinout configuration with your PCB layout to prevent installation errors. Confirm availability through authorized distributors only.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required without external resistors. Consider the 1.2MHz switching frequency for smaller passive components. Evaluate the 1.5A current limit against peak load demands. Verify that the input voltage stays within the 2.5V to 6.0V operational window.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9802 series of synchronous buck converters. The series is designed for portable electronics. Other variants in the family offer different output voltages or current ratings. The B313 designation indicates the specific 3.3V output version.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same product family. Verify if other manufacturers offer equivalent synchronous buck converters with similar electrical characteristics. Ensure thermal performance matches the original design constraints.