XC9801B503DR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9801B503DR-G is a regulated step-up charge pump switching regulator manufactured by Torex Semiconductor. It operates within an input voltage range of 1.8 V to 5.5 V and provides a fixed output voltage of 5 V with a maximum output current of 80 mA. The device utilizes a boost topology and functions at a switching frequency of 300 kHz. It features a low quiescent current of 80 uA and operates across a temperature range from -40°C to +85°C. The component is housed in an 8-pin USP-EP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated step-up charge pump architecture for efficient voltage boosting
• Fixed regulated output voltage capability
• Low quiescent current consumption for power efficiency

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring voltage step-up
• Battery-powered systems needing stable 5V supply
• General purpose power management in compact form factors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DR-G against official Torex documentation to confirm packaging details and compliance status. Ensure the ordering information matches the required tape and reel specifications. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from a single-cell lithium battery or similar low-voltage source. The 80 mA output current limit defines its suitability for low-power applications. Consider the 300 kHz switching frequency for EMI constraints and the USP-EP package size for PCB layout limitations compared to other regulator topologies.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9801 series of regulated voltage step-up charge pump ICs from Torex Semiconductor. The series offers various fixed output voltage options, differentiated by the middle digits in the part number. The XC9801B503DR-G specifically denotes the 5V output variant within this family of compact power management solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official XC9801 series datasheet for direct pin-compatible alternatives with different fixed output voltages, such as the XC9801B333DR-G (3.3V) or XC9801B403DR-G (4V). Verify electrical characteristics match application requirements before substitution.