XC9237A2ACMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237A2ACMR-G is a synchronous step-down DC-DC converter from Torex Semiconductor, utilizing HiSAT-COT technology. It provides a fixed positive output voltage of 2.05V with a maximum output current of 600mA. The device operates within an input voltage range of 2.5V to 5.5V and features a switching frequency of 1.2MHz. It maintains a low quiescent current of 15uA and supports a shutdown function. The component is housed in a compact SOT-753 (SC-74A) package and functions reliably across an operating temperature range of -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT control architecture for stable operation with minimal external components
• Provides fixed 2.05V output via internal feedback resistor network
• Supports PWM/PFM auto-control mode for optimized efficiency across load ranges

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'G' confirms RoHS compliance and halogen-free status as per manufacturer specifications. Ensure the ordering code matches the exact SOT-753 package variant. Confirm that the fixed 2.05V output aligns with target circuit requirements before procurement. Cross-reference the datasheet revision date to ensure compatibility with design constraints.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 2.05V output is required without external programming resistors. The 600mA current limit suits moderate load applications where space is constrained by the SOT-753 package. Consider the 1.2MHz switching frequency for balancing component size and efficiency. Verify input voltage stability within the 2.5V to 5.5V range for proper regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9237 series of synchronous buck converters designed for high efficiency and small footprint applications. It complements other HiSAT-COT devices by offering a fixed voltage option, simplifying design processes. The series targets mobile and IoT markets where power density and battery life are critical performance indicators.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include XC9237A1ACMR-G (1.05V output) and XC9237A3ACMR-G (3.05V output) for different voltage requirements. For higher current needs, consider the XC9285 or XC9286 series which offer 1.0A outputs in similar packages.