XC9140C182MR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9140C182MR-G is a synchronous step-up DC/DC converter IC from the Torex XC9140 series. It provides a fixed positive output voltage of 1.8V with a maximum output current of 100mA. The device operates within an input voltage range of 0.9V to 5.5V and features a low quiescent current of 6.4µA. It utilizes PFM control for high efficiency and includes integrated synchronous rectification. The component is housed in a compact SC-74A (SOT-753) surface-mount package and supports an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification to enhance conversion efficiency across load conditions.
• Utilizes Pulse Frequency Modulation (PFM) architecture to minimize power consumption during operation.
• Supports direct connection to single-cell lithium-ion batteries or other low-voltage sources.

Voltage Regulators - DC DC Switching Regulators Applications

• Power supply stages for portable electronic devices requiring stable low-voltage rails.
• Battery-powered sensor modules and IoT nodes extending operational life.
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer energy sources.

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MR-G' against official Torex documentation to confirm the SOT-753 packaging and tape-and-reel configuration. Ensure compatibility with RoHS directives if required by your manufacturing standards. Cross-reference the part number with authorized distributors to validate authenticity and traceability, as counterfeit components may exhibit incorrect electrical characteristics or packaging discrepancies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8V output is required from inputs ranging between 0.9V and 5.5V. The synchronous design offers superior efficiency compared to non-synchronous alternatives, particularly at moderate loads. Consider the SC-74A footprint for space-constrained PCB layouts. Verify that the 100mA output capability meets the peak current demands of the downstream circuitry without exceeding thermal limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the XC9140 family of boost converters designed for battery-operated applications. The series emphasizes low standby current and high efficiency to maximize runtime in portable electronics. The XC9140C182MR-G specifically targets applications needing a reliable 1.8V rail derived from single-cell lithium sources or similar low-voltage inputs.

Voltage Regulators - DC DC Switching Regulators FAQ

Does the XC9140C182MR-G include a shutdown function?

No, the XC9140C182MR-G does not feature a dedicated shutdown pin; it operates continuously once enabled.

What is the minimum input voltage required for operation?

The minimum operating input voltage is 0.9V, allowing use with discharged single-cell lithium batteries.