XC9237C15D4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237C15D4R-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 2.0V to 6.0V and provides a fixed output voltage of 1.5V with a maximum output current of 600mA. The device features a selectable switching frequency of either 1.2MHz or 3.0MHz, allowing optimization for efficiency or component size. It utilizes a USPEL-6 (1.8x2mm) package and supports an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports manual switching between PWM control mode and automatic PWM/PFM switching mode to maintain high efficiency across varying load conditions.
• Integrates internal P-channel MOS driver and N-channel MOS switch transistors, enabling the use of small ceramic capacitors.
• Features optimized soft-start and current control functions to ensure stable startup and protection against overcurrent events.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment utilizing single-cell lithium-ion batteries
• Embedded systems needing compact DC-DC conversion solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D4R-G corresponds to the desired switching frequency selection pin configuration and output voltage tolerance. Confirm the package type matches the PCB footprint requirements. Ensure compliance with RoHS directives if required by the target market regulations.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 1.5V output is required from a 2V to 6V input source. Choose based on the need for manual mode switching to balance ripple performance and light-load efficiency. Consider the USPEL-6 package dimensions for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9237 series of synchronous buck converters. The series is characterized by low standby current consumption and high efficiency. The 'C' designation indicates a fixed output voltage variant, while the 'D' typically refers to the switching frequency selection capability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9237C15CMR-G or XC9237C15EER-G if different packaging such as SOT-25-5 or USP-6C is preferred. Verify electrical compatibility regarding input voltage range and output current capabilities before substitution.