MP2326GD-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MP2326GD-Z is a synchronous buck converter from Monolithic Power Systems. It operates with an input voltage range of 3.9 V to 19 V and delivers up to 4 A continuous output current. The adjustable output voltage spans from 600 mV to 19 V. Key electrical parameters include a quiescent current of 40 uA, a typical switching frequency of 1.1 MHz, and internal high-side/low-side MOSFET on-resistances of 90 mΩ and 30 mΩ respectively. The device functions within a temperature range of -40°C to +125°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Employs Constant On-Time (COT) control architecture for rapid transient response and simplified loop design.
• Integrates comprehensive protection mechanisms including hiccup-mode short-circuit protection, over-current protection, under-voltage lockout, and thermal shutdown.
• Features programmable switching frequency and soft-start time alongside selectable forced PWM or auto PFM/PWM operation modes.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Point-of-load (POL) regulation systems
• High-efficiency power supplies requiring optimized light-load performance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix GD-Z against official MPS documentation to confirm package dimensions and tape-and-reel specifications. Ensure that environmental compliance requirements align with project standards by checking RoHS declarations. Confirm that the intended operating temperature range falls within the specified -40°C to +125°C junction temperature limits before finalizing component selection.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring wide input voltage flexibility and high efficiency across varying load conditions. The integrated power MOSFETs reduce external component count compared to discrete solutions. Consider the programmable frequency feature to optimize electromagnetic interference profiles while maintaining stable regulation during dynamic load transitions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MP2326 series of high-efficiency step-down converters. The series is engineered for applications demanding compact footprints and robust performance. The GD-Z suffix indicates a specific packaging configuration suitable for surface-mount assembly processes, distinguishing it from other variants in the product family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP2326GD-P serves as a parameter-equivalent alternative within the same series. Verify pin compatibility and thermal characteristics before substitution.

Voltage Regulators - DC DC Switching Regulators FAQ

What control topology does the MP2326GD-Z utilize?

The device utilizes a Constant On-Time (COT) control method to ensure fast transient response and strict output regulation.

How is the switching frequency managed in this IC?

The switching frequency is programmable, allowing designers to adjust it according to specific application requirements and filter component constraints.