MP2145GD-P

Voltage Regulators - DC DC Switching Regulators Overview

The MP2145GD-P is a synchronous step-down switcher from Monolithic Power Systems, housed in a 12-QFN (2x3 mm) package. It operates with an input voltage range of 2.8 V to 6.25 V and delivers up to 6 A output current. The adjustable output voltage spans from 600 mV to 5.5 V. Key electrical parameters include a fixed switching frequency of 1.2 MHz and a quiescent current of 40 µA. The device supports operation across a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal power MOSFETs with low on-resistance for high efficiency.
• Employs constant on-time control architecture for rapid transient response.
• Includes comprehensive protection mechanisms such as cycle-by-cycle overcurrent protection and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Solid State Drives
• Hard Disk Drives
• High-performance DSP systems
• Field Programmable Gate Arrays

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm exact packaging configuration and environmental compliance status. Ensure the selected variant matches the required operating temperature range and pinout compatibility for the target PCB layout before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing compact power stages requiring high current density within a minimal footprint. The integrated MOSFETs reduce external component count, while the wide input voltage range accommodates various single-cell battery or bus architectures efficiently.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MP2145 family of synchronous buck converters designed for space-constrained applications. It serves as a direct replacement for legacy solutions requiring similar current capabilities but offers improved integration and smaller physical dimensions through its QFN-12 packaging technology.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP2145GD-Z is a verified alternative within the same series offering identical electrical specifications with potential differences in reel packaging configuration.