XC9236A2DD4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9236A2DD4R-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It features a built-in P-channel MOS driver transistor and N-channel switching transistor, enabling the use of ceramic output capacitors. The device operates within an input voltage range of 2.0V to 6.0V and provides a fixed output voltage of 2.5V with ±2.0% accuracy. It supports a maximum output current of 600mA and utilizes automatic PWM/PFM switching control for high efficiency across load ranges. The unit is housed in a compact SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal power transistors to minimize external component count
• Automatically switches between PWM and PFM modes for optimized efficiency
• Supports ceramic output capacitors for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low quiescent current
• Embedded circuits utilizing single-cell lithium-ion batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'D4' confirms the fixed 2.5V output and SOT-25-5 packaging configuration against the official datasheet. Ensure compatibility with the required input voltage range of 2.0V to 6.0V. Confirm that the automatic PWM/PFM control mode aligns with the application's ripple and efficiency requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.5V output is required from a 2V to 6V input source. It is suitable for applications prioritizing high efficiency at light loads due to its PFM capability. Consider the SOT-25-5 package size constraints and the need for ceramic capacitors. This model is appropriate where low standby current and simple external circuitry are critical design factors.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9236 series of synchronous rectification type DC/DC converters. The series is characterized by built-in driver transistors and support for ceramic capacitors. The XC9236 variant specifically employs automatic PWM/PFM switching control, distinguishing it from the PWM-only XC9235 and manually switchable XC9237 series.

Voltage Regulators - DC DC Switching Regulators FAQ

What control mode does the XC9236A2DD4R-G utilize?

It uses automatic PWM/PFM switching control to maintain high efficiency across varying load conditions.

Can external resistors be used to adjust the output voltage?

No, the A-type suffix indicates a fixed output voltage of 2.5V; adjustable versions typically require different suffixes or reference voltages.