MP2120DQ-LF-Z

$1.27

Description：IC REG BUCK ADJ 2.5A 10QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)

SKU:7a4ecb3612d8 Category: Voltage Regulators - DC DC Switching Regulators Brand: Monolithic Power Systems Inc.

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Product introduction

MP2120DQ-LF-Z is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Monolithic Power Systems Inc.. Its product description is IC REG BUCK ADJ 2.5A 10QFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for MP2120DQ-LF-Z

Description：IC REG BUCK ADJ 2.5A 10QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：4.95V
Current - Output：2.5A
Frequency - Switching：1.5MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：10-VFDFN Exposed Pad
Supplier Device Package：10-QFN (3x3)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for MP2120DQ-LF-Z

MP2120DQ-LF-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MP2120DQ-LF-Z is a synchronous step-down switching regulator manufactured by Monolithic Power Systems. It operates within an input voltage range of 2.7V to 5.5V and delivers up to 2.5A of output current. The device features a fixed switching frequency of 1.5MHz and supports adjustable output voltages from 0.8V to 4.95V. Integrated internal power MOSFETs include an 80mΩ high-side switch and a 60mΩ synchronous rectifier. The component utilizes a 10-pin QFN (3mm x 3mm) package with exposed pad for surface mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates internal compensation and power switches to minimize external component count
Supports full ceramic capacitor design for stable operation
Includes programmable soft start and frequency synchronization capabilities

Voltage Regulators - DC DC Switching Regulators Applications

Portable consumer electronics requiring compact power solutions
Embedded systems utilizing single-cell lithium-ion battery inputs
Industrial control modules needing efficient DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status through the latest environmental declaration. Check for obsolescence notices as this part may be subject to lifecycle changes. Ensure ordering quantities align with standard manufacturing reel sizes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs prioritizing small footprint and high efficiency at moderate currents. Evaluate thermal performance requirements given the dense power integration in the QFN package. Consider the fixed 1.5MHz frequency for EMI management and passive size optimization. Verify that the required output voltage range falls within the specified 0.8V minimum limit.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the MP2120 series of synchronous buck converters. It is designed for applications requiring high efficiency and minimal solution size. The family typically targets portable devices and embedded systems where space constraints are critical. It replaces older discrete solutions or less integrated regulators in modern power architectures.