XC9237G33D4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237G33D4R-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 1.8 V to 6 V and provides a fixed output voltage of 3.3 V with a maximum output current of 600 mA. The device utilizes current-mode control and supports switching frequencies up to 3450 kHz. It features low quiescent current consumption and is housed in a compact SON package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high efficiency
• Manual PWM/PFM mode switching capability
• Integrated fast soft-start function
• Built-in overcurrent protection

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices
• Battery-powered equipment
• Embedded systems power supplies
• Communication modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D4R-G against official datasheets to confirm the exact package type and pinout configuration. Ensure compatibility with required thermal management solutions given the small form factor. Confirm RoHS compliance status through manufacturer documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output is required from a single-cell lithium battery or similar low-voltage source. The G-series designation indicates operation down to 1.8 V input, suitable for deep discharge scenarios. Consider the manual mode switching feature if load transient response optimization is critical for the application design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9237 series of synchronous buck converters. The series is characterized by high integration, requiring only external inductor and capacitors. The G-series variant specifically extends the minimum operating input voltage to 1.8 V compared to earlier A-C series versions, enhancing usability in low-voltage applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include other XC9237 variants with compatible output voltages and packages, such as XC9237G33CMR-G for SOT-25-5 packaging. Verify electrical parameters and pin assignments carefully when substituting across different package types within the same family.