XC9142B21DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142B21DMR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 0.65 V to 6 V and provides a fixed output voltage of 2.1 V. The device supports a maximum output current of 800 mA with a typical quiescent current of 26 uA. It utilizes a 3 MHz switching frequency and features a shutdown function for power management. 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 enhanced conversion efficiency
• Integrated shutdown control for active power management
• High-frequency operation enabling the use of small external components

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Low-voltage sensor supply regulation
• General-purpose power management in mobile systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DMR-G' against the official Torex datasheet to confirm the fixed 2.1 V output voltage and SOT-25-5 packaging configuration. Ensure compatibility with required thermal dissipation standards for the target application environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed low-voltage output is required from a single-cell lithium battery or similar source. The 3 MHz switching frequency allows for smaller inductors compared to lower-frequency alternatives, making it suitable for space-constrained designs requiring stable 2.1 V regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of 0.8 A step-up DC/DC converters. The series is characterized by high efficiency and low standby current. The XC9142B variant specifically denotes the 3 MHz switching frequency option within the product family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9142 variants such as XC9142BxxCMR-G for alternative package options or XC9142AxxDMR-G for different switching frequencies. Verify pinout and electrical specifications match before substitution.