XC9236B18C4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9236B18C4R-G is a synchronous step-down DC/DC converter from the XC9236 series by Torex Semiconductor. It features HiSAT-COT control for stable operation with ceramic capacitors and automatic PWM/PFM switching. The device provides a fixed 1.8V output at up to 600mA, operating within a 1.8V to 6.0V input range. Key electrical parameters include a 1.2MHz or 3.0MHz selectable switching frequency, 15µA quiescent current, and -40°C to +105°C operating temperature. It utilizes an SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT control architecture ensures stability with low-ESR ceramic output capacitors
• Automatic PWM/PFM switching optimizes efficiency across light to heavy load conditions
• Built-in high-speed soft-start minimizes inrush current during power-up
• Integrated UVLO protects against undervoltage conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring efficient voltage regulation
• IoT modules with strict power consumption constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'C4' corresponds to the required output voltage and tolerance. Confirm package type matches design requirements. Check RoHS compliance status via official documentation. Ensure supplier provides valid traceability data. Validate component authenticity through authorized channels only.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 1.8V output is required with minimal external components. Consider the 600mA current limit for load requirements. Evaluate thermal performance based on PCB layout and ambient conditions. Compare switching frequency options against EMI sensitivity needs.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the XC9236 series, designed for compact power solutions. Shares family features like HiSAT-COT control but differs in fixed output voltage settings. Competes with other synchronous buck converters offering similar current ratings and efficiency profiles.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes may include other XC9236 variants with different fixed output voltages. Verify pin compatibility and electrical specifications before substitution. Consult official cross-reference lists for confirmed alternatives.