XC9236A39CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9236A39CMR-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 3.9V. The device supports an output current of 600mA with a switching frequency of 1.2MHz. Quiescent current is specified at 15µA. It utilizes automatic PWM/PFM switching control for efficiency optimization across load ranges. The component is housed in a SOT-25-5 package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification with built-in P-channel and N-channel MOS transistors
• Automatically switches between PWM and PFM modes to maintain high efficiency under varying loads
• Designed for external configuration using only a coil and two capacitors

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing stable voltage regulation
• Embedded circuits utilizing ceramic output capacitors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Torex documentation to confirm the fixed output voltage and package type. Ensure compatibility with the required input voltage range and thermal operating conditions. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.9V output is required from a 2V to 6V input source. It is suitable for applications prioritizing high efficiency through automatic mode switching. Consider the SOT-25-5 package constraints and the need for external passive components including an inductor and capacitors for proper circuit operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This model belongs to the XC9236 series, which features automatic PWM/PFM switching control. Unlike the XC9235 (PWM only) or XC9237 (manual switch), the XC9236 optimizes efficiency dynamically. It shares the 600mA capability and compact footprint with other members of the XC9235/XC9236/XC9237 family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9236A39CMR-G is functionally equivalent to XC9236A39CMR. Other series members like XC9235 or XC9237 offer different control modes but share similar electrical characteristics.