MP2144GJ-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MP2144GJ-Z is a synchronous step-down switcher from Monolithic Power Systems, housed in a TSOT-23-8 package. It operates with an input voltage range of 2.5 V to 5.5 V and delivers up to 2 A of output current. The device features a fixed switching frequency of 1.2 MHz and supports adjustable output voltages from 600 mV to 5 V. Key electrical specifications include a quiescent current of 40 uA and an operating temperature range spanning -40 C to +125 C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Employs constant on-time control mode for rapid transient response and stable loop performance.
• Integrates internal power MOSFETs to minimize external component count and board space.
• Includes comprehensive protection mechanisms such as overcurrent, overtemperature, and short-circuit safeguards.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable instrumentation systems
• DVD drivers
• Smartphone power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the NRND status before procurement, as this designation indicates the component is not recommended for new designs. Confirm availability through authorized distributors, noting that production may be limited to existing customer requirements. Ensure the specific suffix matches the required packaging format for your assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a compact solution is needed for low-voltage applications requiring high efficiency. The 1.2 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the thermal performance within the TSOT-23-8 package if continuous 2 A loads are expected in confined spaces.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the MP2144 series of synchronous buck converters. It shares architectural similarities with other MPS devices but is distinguished by its specific input voltage window and integrated protection features. The series targets portable electronics where size and battery life are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP2182GTL-Z is identified as an alternative for new designs. Verify pin compatibility and electrical parameter alignment before substitution. Note that the replacement may have different packaging or feature sets.