XC9802B473DR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9802B473DR-G is a step-up charge pump switching regulator manufactured by Torex Semiconductor. It provides a fixed regulated output voltage of 4.7 V with a maximum output current of 80 mA. The device operates within an input voltage range of 1.8 V to 5.5 V and features a typical quiescent current of 80 uA. It utilizes a boost topology with a switching frequency of 300 kHz. The component is housed in an USP-EP-8 package and supports surface mount installation. It functions across a temperature range from -40 C to +85 C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated step-up charge pump topology for efficient voltage boosting
• Fixed regulated output voltage configuration
• Low quiescent current operation for power efficiency

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Systems requiring voltage step-up from single-cell sources
• Portable communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix DR-G against official Torex Semiconductor documentation to ensure correct packaging and specifications. Confirm the specific output voltage rating matches the design requirement, as variations exist within the XC9802B series. Cross-reference the package type USP-EP-8 with PCB footprint libraries prior to procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.7 V output is required from an input range of 1.8 V to 5.5 V. Ensure the load current does not exceed 80 mA. Consider the 300 kHz switching frequency for filter component sizing. Verify thermal performance within the specified operating temperature range of -40 C to +85 C for the target application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9802B series of step-up charge pumps from Torex Semiconductor. Similar models include XC9802B363DR-G (3.6 V output) and XC9802B553DR-G (5.5 V output). These components share common electrical characteristics such as input voltage range, output current capability, and package style, differing primarily in their fixed output voltage settings.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9802B363DR-G offers a 3.6 V output. XC9802B553DR-G provides a 5.5 V output. XC9802B403DR-G supplies 4.0 V. XC9802B503DR-G delivers 5.0 V. All listed alternatives maintain identical package, current, and input specifications.