XC9142E43DER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142E43DER-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates with an input voltage range of 0.65 V to 6 V and provides a fixed output voltage of 4.3 V. The device supports a maximum output current of 800 mA and utilizes a 3 MHz switching frequency. It features Pulse Width Modulation (PWM) control, with PFM control technique also possible for improved efficiency at light loads. The component is housed in a 6-pin UFDFN package with an exposed pad and functions within 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 PWM controller with selectable PFM operation mode
• Low minimum operating input voltage enabling battery discharge utilization
• Compact surface-mount packaging suitable for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring stable voltage from single-cell lithium batteries
• Battery-powered sensors and IoT modules needing boosted supply rails
• Mobile communication equipment utilizing low-voltage power sources
• Consumer electronics with strict size limitations for power management circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DER-G' against the official Torex datasheet to confirm pinout compatibility and thermal pad requirements. Ensure the ordering documentation matches the exact part number to avoid confusion with similar variants in the XC9142 series that may have different output voltages or control modes. Cross-reference the manufacturer's latest revision notes for any updates to the recommended operating conditions or application circuit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.3 V output is required from inputs as low as 0.65 V. The 800 mA current capability suits moderate load applications. Consider the 3 MHz switching frequency for smaller external inductor and capacitor sizes compared to lower-frequency alternatives. Verify that the UFDFN package thermal performance meets the system's heat dissipation needs under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of synchronous step-up converters from Torex Semiconductor. The series is characterized by high efficiency and low standby current. The XC9142E43DER-G specifically denotes the version with a 4.3 V fixed output and the DER-G package configuration. It is designed for portable applications where power conservation and small footprint are critical design constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other XC9142 series parts with identical output voltage and package, such as XC9142E43DMR-G if reel packaging is preferred. Verify functional equivalence before substitution, as output voltage tolerance and control method options may vary between suffixes.