LM5574QMT/NOPB

$4.29

Description：IC REG BUCK ADJ 500MA 16TSSOP
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:ebfc4d956dc2 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM5574QMT/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 500MA 16TSSOP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM5574QMT/NOPB

Description：IC REG BUCK ADJ 500MA 16TSSOP
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：6V
Voltage - Input (Max)：75V
Voltage - Output (Min/Fixed)：1.225V
Voltage - Output (Max)：70V
Current - Output：500mA
Frequency - Switching：50kHz ~ 500kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package：16-TSSOP
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM5574QMT/NOPB

LM5574QMT/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5574QMT/NOPB is an automotive-grade synchronous step-down switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 3V to 75V and delivers a maximum output current of 0.5A. The device features an adjustable output voltage from 1.225V to 70V and supports switching frequencies between 50kHz and 500kHz. Packaged in a TSSOP-16, it functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for enhanced efficiency
Automotive qualification compliant with AEC-Q100 standards
Wide input voltage capability up to 75V
Adjustable switching frequency for design flexibility

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Body control modules
Industrial power distribution networks
General-purpose DC-DC conversion in harsh environments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'QMT' confirms automotive grade (AEC-Q100) and TSSOP-16 packaging. Ensure the 'NOPB' designation indicates lead-free status and RoHS compliance. Confirm that the supplier provides valid traceability documentation required for automotive supply chains. Validate that the component matches the intended thermal and electrical specifications for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 75V is required alongside high reliability standards. It is suitable for applications demanding synchronous rectification to maximize efficiency at moderate load currents. Consider the TSSOP-16 package constraints for PCB layout. Verify that the adjustable output voltage range meets the specific system requirements without requiring external feedback modifications.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5574 family of synchronous buck regulators designed for robust performance. It serves as a specialized variant tailored for automotive and industrial sectors where high voltage tolerance and extended temperature operation are critical. The integration of synchronous switches distinguishes it from non-synchronous counterparts in the broader LM5574 series.