XC9236C23CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9236C23CMR-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 2.0 V to 6.0 V and provides a fixed output voltage of 2.3 V. The device supports an output current of up to 600 mA with a typical quiescent current of 15 µA. It features a built-in 1.2 MHz oscillator and utilizes automatic PWM/PFM switching control for high efficiency across load variations. The component is housed in a compact SOT-25-5 package and is rated for operation between -40°C and +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates P-channel driver and N-channel switching transistors for synchronous rectification
• Employs automatic PWM/PFM switching control to optimize efficiency from light to heavy loads
• Enables use of ceramic capacitors due to low on-resistance internal MOSFETs
• Includes optimized soft start and current control functions

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring stable 2.3 V supply rails
• Consumer electronics utilizing single-cell lithium-ion batteries
• IoT modules with strict power consumption constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'C' indicates a fixed 2.3 V output configuration, as the XC9236 series includes adjustable variants. Confirm the 'MR-G' designation corresponds to the SOT-25-5 package and RoHS compliance status. Ensure compatibility with 1.2 MHz switching frequency requirements for external component selection. Cross-reference the manufacturer datasheet for thermal performance limits under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.3 V output is required from a 2 V to 6 V input source. The automatic PWM/PFM mode makes it suitable for applications with varying load currents to maximize battery life. The 600 mA output capability supports moderate power demands. Consider the SOT-25-5 package size for space-constrained PCB layouts. Verify that the 1.2 MHz frequency aligns with EMI constraints and inductor availability.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9236 series of synchronous step-down converters. The series distinguishes itself through integrated MOSFETs and flexible control modes. The XC9236 variant specifically uses automatic switching between PWM and PFM. This approach balances ripple performance at high loads with efficiency at low loads. The family targets portable applications where power management efficiency is critical.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9236A23CMR-G: Fixed 2.3 V output with identical electrical characteristics but potentially different temperature grade or packaging variant. XC9236E23CMR-G: Fixed 2.3 V output with extended operating temperature range down to -40°C if specified in datasheet. XC9237C23CMR-G: Similar fixed output but allows manual switching between PWM and auto modes for design flexibility.