MPQ2490DS-LF-Z

Description：IC REG BUCK ADJ 1.5A 10QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)

SKU:e4e5c5a05d51 Category: Voltage Regulators - DC DC Switching Regulators Brand: Monolithic Power Systems Inc.

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Product introduction

MPQ2490DS-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 1.5A 10QFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for MPQ2490DS-LF-Z

Description：IC REG BUCK ADJ 1.5A 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)：4.5V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：15V
Current - Output：1.5A
Frequency - Switching：700kHz
Synchronous Rectifier：No
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 MPQ2490DS-LF-Z

MPQ2490DS-LF-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ2490DS-LF-Z is a monolithic step-down switching regulator manufactured by Monolithic Power Systems. It operates with an input voltage range of 4.5V to 36V and delivers up to 1.5A of continuous output current. The device features a fixed 700kHz switching frequency and supports adjustable output voltages from 800mV to 15V. It includes programmable output current limiting, over-temperature shutdown, and cycle-by-cycle current protection. The component is housed in an 8-pin SOIC package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a low on-resistance internal power MOSFET switch for high efficiency.
Supports stable operation using standard low ESR ceramic output capacitors.
Features programmable output current limit via external resistor or inductor DCR sensing.

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for industrial equipment
Power supply stages for embedded computing systems
Battery-powered devices requiring wide input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout compatibility and thermal performance characteristics. Ensure that the selected variant matches the required operating temperature range and packaging specifications for your design implementation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for converting higher bus voltages down to lower logic levels. The fixed 700kHz frequency allows for smaller passive components compared to lower frequency alternatives. Consider the thermal dissipation capabilities of the SOIC-8 package relative to the expected load current.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MP2490 family of buck converters designed for general-purpose power management applications. The series emphasizes simplicity in design by minimizing external component count while maintaining robust protection features suitable for various commercial and industrial environments.