LM43603DSUT

$4.77

Description：IC REG BUCK ADJ 3A 16SON
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:e0cc52e0b90c Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM43603DSUT 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 3A 16SON. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM43603DSUT

Description：IC REG BUCK ADJ 3A 16SON
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.5V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：28V
Current - Output：3A
Frequency - Switching：200kHz ~ 2.2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：16-VFDFN Exposed Pad
Supplier Device Package：16-SON (4x5)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM43603DSUT

LM43603DSUT

Voltage Regulators - DC DC Switching Regulators Overview

The LM43603DSUT is a synchronous step-down voltage converter from Texas Instruments, part of the SIMPLE SWITCHER family. It operates with an input voltage range of 3.5 V to 36 V and delivers up to 3 A of output current. The device features an adjustable output voltage from 1 V to 28 V and supports switching frequencies between 200 kHz and 2.2 MHz. It includes integrated compensation, low quiescent current, and thermal shutdown protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency
Internal frequency compensation simplifies design
Adjustable switching frequency reduces EMI
Thermal shutdown protects against overheating

Voltage Regulators - DC DC Switching Regulators Applications

Industrial power supplies
Point-of-load regulation
Battery-powered systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the package type matches your PCB footprint requirements. Confirm the suffix indicates tape and reel packaging if automated assembly is planned. Check for moisture sensitivity level handling instructions before soldering. Ensure the operating temperature range meets your system specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3 A buck converter is required within a 36 V input limit. Consider the adjustable output voltage range for flexible design needs. Evaluate the switching frequency options to balance efficiency and component size. Verify compatibility with existing control loops or feedback networks.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM4360x series of SIMPLE SWITCHER regulators. It shares architectural similarities with the LM43601 and LM43602 models but offers higher current capability. The series is designed for compact solutions with minimal external components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM43603DSUR and LM43603PWPT. Verify pinout compatibility and thermal performance when swapping packages. Check datasheet revisions for any functional changes.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.