XC9237A2KCER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237A2KCER-G is a synchronous step-down DC/DC converter from the Torex XC9237 series. It features a built-in driver transistor with an on-resistance of 0.42 ohms and supports a maximum output current of 0.6 A. The device operates within an input voltage range of 1.8 V to 6 V, delivering a fixed output voltage of 2.0 V. It utilizes a constant switching frequency of 1.2 MHz and employs pulse width modulation control. The component is housed in a USP-6C package and functions reliably across an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a synchronous rectification topology with a built-in N-channel driver FET for high efficiency.
• Maintains a constant switching frequency via PWM control to simplify noise countermeasures.
• Features low quiescent current operation to reduce system power consumption during light loads.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Industrial equipment power supply lines
• Battery-powered systems needing stable voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'G' indicates RoHS compliance as per manufacturer standards. Confirm the fixed output voltage matches the design requirement of 2.0 V. Ensure the USP-6C package dimensions align with the PCB footprint. Check that the input voltage range covers the system's minimum and maximum supply levels. Validate the thermal performance within the specified -40°C to +85°C operational window.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.0 V output is required from a 1.8 V to 6 V input source. Choose based on the need for a compact USP-6C package and 0.6 A current capability. Consider the 1.2 MHz switching frequency for balancing size and noise. Evaluate the low quiescent current benefit for battery-operated applications. Compare against other XC9237 variants if different output voltages or packages are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

The XC9237A2KCER-G belongs to the XC9237 series of synchronous step-down converters by Torex Semiconductor. This series is designed for applications requiring high efficiency and compact solutions. The part number indicates a fixed 2.0 V output version. It shares architectural similarities with other members like the XC9237B and XC9237G series, differing primarily in output voltage settings and package options.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes within the same family include other XC9237 variants with compatible output voltages and packages. Verify pin compatibility and electrical parameters before substitution. Cross-reference with XC9237 series datasheets for alternative output voltage options. Ensure thermal and current ratings meet or exceed original requirements.