XC9142B51D0R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142B51D0R-G is a synchronous step-up DC/DC converter from Torex Semiconductor. It operates with an input voltage range of 650 mV to 6 V and provides a fixed output voltage of 5.1 V. The device supports an output current of up to 800 mA. It features a high switching frequency of 3 MHz, enabling the use of small external components. The IC includes built-in P-channel MOSFETs for both high-side and low-side drivers. It offers a shutdown function and operates within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture utilizing built-in P-channel MOSFETs for high efficiency.
• High switching frequency operation allows for compact passive component selection.
• Integrated shutdown control for power management optimization.
• Wide input voltage range supporting single-cell lithium-ion battery applications.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power conversion
• Battery-powered equipment with single-cell lithium-ion power sources
• Mobile communication modules
• Handheld instruments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D0R-G against official datasheets to confirm the package type and output voltage setting. Ensure compatibility with required thermal dissipation standards for the intended operating environment. Cross-reference manufacturer part numbers to avoid counterfeit components during sourcing.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5.1 V output is required from a variable input source between 650 mV and 6 V. Consider the 3 MHz switching frequency for space-constrained designs. Evaluate the 800 mA output capability against peak load requirements. Verify that the SOT-25 or equivalent package fits the PCB layout constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of synchronous step-up converters. The series is characterized by high efficiency and low quiescent current. Variants in the series differ primarily in output voltage settings and package configurations. The XC9142 series is designed for portable applications requiring stable voltage regulation from low-voltage sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other XC9142 variants with compatible output voltages and packages, such as XC9142B50D0R-G for 5.0 V output. Verify pinout compatibility and electrical specifications before substitution. Consult official replacement lists for guaranteed functional equivalence.