XC9142C42DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142C42DMR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates with an input voltage range of 0.65 V to 6 V and provides a fixed output voltage of 4.2 V. The device supports a maximum output current of 800 mA and features a switching frequency of 1.2 MHz. Key electrical characteristics include a quiescent current of 17 µA and a supply current of 1.5 mA. It functions within a temperature range of -40°C to +85°C and utilizes a SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high conversion efficiency
• Integrated load disconnection function to minimize standby power consumption
• Fixed output voltage configuration eliminating external feedback resistors

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring efficient voltage boosting
• Systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Low-power consumer electronics needing stable regulated power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DMR-G' against official Torex documentation to confirm the SOT-25-5 package type and reel packaging specifications. Ensure compatibility with required thermal management standards for surface-mount installation. Cross-reference the fixed 4.2 V output setting with circuit design requirements before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.2 V output is required from inputs as low as 0.65 V. The 1.2 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the 800 mA peak current capability meets the system's transient load demands while maintaining the specified efficiency levels.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series, which are characterized by their synchronous step-up topology and integrated load disconnect switches. The series is designed for applications prioritizing low quiescent current and compact form factors in portable power management solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Torex substitution guides for compatible variants within the XC9142 family. Verify pinout compatibility and output voltage settings when considering alternative packages or fixed voltage options.