XC9142C43CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142C43CMR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 0.65 V to 6 V and provides a fixed output voltage of 4.3 V. The device supports a maximum output current of 800 mA and features a low quiescent current of 17 µA. It utilizes a 1.2 MHz switching frequency and is housed in a compact SOT-25-5 package, suitable for surface-mount applications across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high conversion efficiency
• Integrated power switch capable of delivering up to 0.8 A load current
• Low standby current consumption to extend battery life
• Fixed output voltage configuration eliminates external resistor requirements

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient voltage boosting from single-cell batteries
• Battery-powered sensor modules and IoT nodes
• Mobile communication equipment with strict power budget constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CMR-G' against the official Torex Semiconductor datasheet to confirm the fixed 4.3 V output voltage and SOT-25-5 packaging. Ensure compatibility with the required input voltage range and thermal management specifications for the target application environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.3 V output is required from a variable input source between 0.65 V and 6 V. The 1.2 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 17 µA quiescent current for applications prioritizing low-power standby modes over peak efficiency at light loads.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of synchronous step-up DC/DC converters from Torex Semiconductor. The series is characterized by high efficiency and low quiescent current, designed for portable electronics. The 'C' designation typically indicates a fixed output voltage variant, while 'MR-G' denotes the reel packaging and RoHS compliance status within the product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official Torex Semiconductor replacement guide or cross-reference list for verified substitute part numbers. Do not assume functional equivalence with other series without verifying pinout, electrical parameters, and thermal characteristics against the original datasheet.