XC9237A40DER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237A40DER-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It features a fixed output voltage of 4.0V and supports a maximum output current of 600mA. The device operates with an input voltage range from 2V to 6V and utilizes a switching frequency of 3MHz. It is housed in a compact 6-UFDFN exposed pad package and functions within an ambient temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology for improved efficiency
• Built-in driver transistor with low on-resistance
• Current-mode control for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing regulated voltage conversion
• Embedded circuits utilizing single-cell lithium-ion power sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage setting corresponds to the 'A40' suffix, indicating a fixed 4.0V configuration. Confirm the package type matches the 6-UFDFN specification. Ensure the operating environment remains within the specified -40°C to +85°C thermal limits. Check for RoHS compliance documentation if required for your assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.0V output is required from a 2V to 6V input source. The 600mA current capacity suits moderate load applications. The 3MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Ensure the PCB layout accommodates the exposed pad for thermal dissipation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9237 series of synchronous step-down converters. The series integrates high-speed MOSFETs and control circuitry into a small footprint. The 'DER-G' suffix typically denotes the specific package style and tape-and-reel packaging format used for automated surface-mount assembly.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9237 variants having different output voltage suffixes if the voltage level differs. Verify pin compatibility before substituting with similar synchronous buck regulators from other manufacturers.