XC9801B273KR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9801B273KR-G is a step-up charge pump switching regulator manufactured by Torex Semiconductor. It provides a fixed regulated output voltage of 2.7 V with a maximum output current of 80 mA. The device operates from an input voltage range of 1.8 V to 5.5 V and utilizes a boost topology. Key electrical specifications include a static current of 80 uA, a switching frequency of 300 kHz, and a load regulation of 100 mV. The operating supply current is 3 mA. It functions within a temperature range of -40 C to +85 C and is housed in an MSOP-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

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

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring voltage step-up
• Systems utilizing single-cell lithium-ion or alkaline batteries
• Low-power embedded circuits needing stable 2.7 V supply rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix KR-G against official Torex documentation to confirm the MSOP-8 package type and reel packaging details. Ensure compatibility with the required 2.7 V fixed output specification for your design. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status through the latest datasheet before final procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.7 V output is required from inputs between 1.8 V and 5.5 V. The 80 mA output current capability suits moderate load applications. Consider the MSOP-8 package for space-constrained PCB layouts. Verify that the 300 kHz switching frequency aligns with electromagnetic interference constraints in the target system design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9801B series of positive fixed voltage regulators from Torex Semiconductor. These devices are designed as switching voltage regulators using charge pump technology. The series offers various fixed output voltages to accommodate different system requirements while maintaining low static current characteristics suitable for battery-operated equipment.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Compatible substitutes within the same family include XC9801B323KR-G (3.2 V output) and XC9801B503KR-G (5 V output). These parts share identical pinouts and functional characteristics but differ in their fixed output voltage settings. Ensure the alternative voltage matches the specific load requirements of the application.