XC9141B49CER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9141B49CER-G is a synchronous step-up DC/DC converter from the Torex Semiconductor XC9141 series. It operates with an input voltage range of 650 mV to 6 V and provides a fixed output voltage of 4.9 V. The device supports a maximum output current of 800 mA and utilizes a switching frequency of 1.2 MHz. It features a compact 6-UFDFN package with an exposed pad, suitable for surface mount applications across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high conversion efficiency
• Integrated load disconnection function to minimize standby power consumption
• Capable of starting from very low input voltages as low as 650 mV

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring efficient voltage boosting
• Low-voltage sensor nodes in IoT applications
• Power management for mobile communication modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CER' against the official datasheet to confirm the fixed output voltage and package type. Ensure compatibility with the required thermal dissipation for the UFDFN package. Confirm RoHS compliance status through manufacturer documentation prior to integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.9 V output is required from a single-cell lithium battery or similar low-voltage source. The 1.2 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 800 mA current limit relative to peak load requirements to ensure stable operation without triggering protection circuits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9141 series of synchronous step-up converters designed for green operation compatibility. The series emphasizes low quiescent current and high efficiency, making it suitable for energy-constrained applications. The specific model integrates control logic with power switches in a minimal footprint.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9141 variants having identical output voltage and package specifications. Verify pinout compatibility before substituting with equivalent parts from the same family or alternative manufacturers offering similar synchronous boost architectures.