XC9142D45CER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142D45CER-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates with an input voltage range of 0.65V to 6V and provides a fixed output voltage of 4.5V. The device supports a maximum output current of 800mA and features a low quiescent current of 17µA. It utilizes a USP-C-EP-6 package for surface mount installation. The switching frequency is selectable between 1.2MHz and 3MHz, allowing for optimization of external component size and efficiency. The operational temperature range extends from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved conversion efficiency
• Built-in load disconnect function to minimize standby power consumption
• Flexible switching frequency selection to optimize inductor size
• Capable of operating with input voltages as low as 0.65V

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Mobile communication equipment
• Digital cameras and camcorders
• Medical instrumentation requiring low standby current

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CER' against the official datasheet to confirm the package type (USP-C-EP-6) and output voltage setting. Ensure compatibility with required thermal management for the exposed pad configuration. Cross-reference the manufacturer's latest documentation for any revisions or obsolescence notices before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for boosting low battery voltages to stable levels. The synchronous design offers superior efficiency compared to asynchronous alternatives. Consider the available switching frequencies to balance between electromagnetic interference and passive component footprint. Verify that the 800mA output capability meets the peak load requirements of the target application circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of high-efficiency step-up converters. The series is characterized by low quiescent current and integrated synchronous rectifiers. It is designed for applications demanding long battery life and small form factors. The D45 variant specifically sets the output voltage to 4.5V, suitable for powering 3.3V logic systems with headroom or direct 4.5V loads.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9142 series variants with different output voltages or packages if pinout compatibility is not required. Verify functional equivalence regarding load disconnect features and switching frequency options. Consult the manufacturer's substitution guide for confirmed alternative part numbers within the same product family.