XC9142D51DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142D51DMR-G is a synchronous step-up DC/DC converter from the XC9142 series by Torex Semiconductor. It operates with an input voltage range of 0.65 V to 6 V and provides a fixed output voltage of 5.1 V. The device supports a maximum output current of 800 mA and features a switching frequency of 3 MHz. It exhibits a low quiescent current of 17 µA and functions within a temperature range of -40°C to +85°C. The component is housed in a compact SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification for high conversion efficiency
• Integrated power switch eliminating external inductor requirements
• Fixed output voltage configuration for simplified design

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Low-voltage digital logic level shifting
• Sensor interface circuits requiring stable supply rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DMR-G' against the official datasheet to confirm the SOT-25-5 package and 3 MHz switching frequency variant. Ensure compatibility with RoHS directives and check for any recent lifecycle status updates directly from Torex Semiconductor documentation before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5.1 V output is required from a single-cell lithium battery or similar low-voltage source. The 3 MHz frequency allows for smaller passive components compared to lower-frequency alternatives, while the synchronous topology ensures efficient power delivery for moderate load currents up to 800 mA.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 family of 0.8 A synchronous step-up converters. The series is characterized by high efficiency and low standby current, making it suitable for space-constrained applications. The XC9142D51DMR-G specifically denotes the 5.1 V output version in the SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the XC9142 series datasheet for alternative output voltage variants or package options such as WLP-6 if footprint changes are permissible. Cross-reference with other Torex synchronous boost converters for pin-compatible upgrades if performance enhancements are needed.