XC9140A372MR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9140A372MR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates in PFM control mode to provide a fixed output voltage of 3.7 V with a maximum output current of 100 mA. The device accepts an input voltage range from 900 mV to 5.5 V. Key electrical specifications include a quiescent current of 100 nA and an operating supply current of 6.4 uA. It is housed in a compact SOT-25-5 package and supports surface mount installation. The component functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous boost topology for efficient voltage conversion
• PFM control mechanism for optimized power management
• Ultra-low static current consumption for battery longevity

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring stable 3.7 V rails
• Battery-powered sensor modules
• Low-power embedded systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MR-G against official Torex documentation to confirm the SOT-25-5 package configuration. Ensure compatibility with the required 3.7 V output specification. Cross-reference RoHS compliance details directly with the manufacturer's datasheet before procurement. Confirm that the ordering part number matches the exact electrical parameters needed for the design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.7 V output is required from a single-cell lithium-ion or similar battery source. The low quiescent current makes it suitable for applications prioritizing standby efficiency. Verify that the 100 mA load capability meets the system's peak current demands. Ensure the input voltage remains above the 900 mV minimum threshold for proper regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9140 series of synchronous step-up converters. It shares architectural similarities with variants like XC9140A331MR-G and XC9140A351MR-G, differing primarily in the fixed output voltage setting. The series is designed for portable electronics where space and power efficiency are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9140A371MR-G provides the same 3.7 V output but may differ in package or suffix specifications. XC9140A372MR-G is the direct equivalent part number. Verify pinout and thermal characteristics against the XC9140A331MR-G if voltage adjustment is not required.