XC9142F51DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142F51DMR-G is a synchronous step-up DC/DC converter from the Torex Semiconductor XC9142 series. 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 high switching frequency of 3 MHz. It includes a shutdown function and maintains a low quiescent current of 26 µA. The component is housed in a compact SOT-25-5 package and is rated for operation between -40°C and +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology for improved efficiency
• Integrated shutdown control for power management
• High-frequency switching operation to minimize external component size

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Mobile communication equipment
• Consumer electronics requiring stable voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage setting and package type against the official datasheet before procurement. Confirm that the ordering suffix corresponds to the required tape and reel configuration. Ensure compatibility with the target input voltage range and thermal requirements for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5.1 V output is required from a variable or single-cell battery source. The 3 MHz switching frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Consider the 800 mA output capability and 26 µA quiescent current for applications prioritizing both performance and standby power consumption.

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, low quiescent current, and small package options. The 'F' suffix typically denotes a specific output voltage variant within the family, while 'DMR-G' indicates the SOT-25-5 package and lead-free compliance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9142 variants offering similar output voltages and current ratings. Verify pinout compatibility and electrical specifications such as switching frequency and quiescent current to ensure functional equivalence in the existing circuit design.