LM43603PWPT

$4.44

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

SKU:cd77253c100d Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM43603PWPT 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 16HTSSOP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM43603PWPT

Description：IC REG BUCK ADJ 3A 16HTSSOP
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
Package / Case：16-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package：16-HTSSOP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM43603PWPT

LM43603PWPT

Voltage Regulators - DC DC Switching Regulators Overview

The LM43603PWPT is a synchronous step-down DC-DC converter from Texas Instruments, part of the SIMPLE SWITCHER family. It operates with an input voltage range of 3.5V to 36V and delivers up to 3A output current. The adjustable output voltage spans from 1V to 28V across a single positive output channel. Switching frequency is programmable between 200kHz and 2.2MHz. The device features integrated synchronous rectification for improved efficiency. It is housed in a 16-PowerTSSOP package (16-HTSSOP) with a width of 4.40mm. Operating junction temperature ranges from -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification enhances power conversion efficiency compared to standard diode-based solutions.
Programmable switching frequency allows optimization for specific design requirements regarding size and performance trade-offs.
Wide input voltage range supports diverse power supply architectures including automotive and industrial applications.

Voltage Regulators - DC DC Switching Regulators Applications

General purpose point-of-load regulation
Industrial control systems power distribution
Automotive electronics power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffix 'PWPT' to ensure correct package type and tape/reel configuration. Confirm that the intended application falls within the specified electrical limits and thermal constraints. Check for any recent Product Change Notifications regarding symbolization or assembly sources that may affect long-term availability or documentation accuracy.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when a high-current buck converter with wide input range is required. Ensure the external inductor and capacitor values are selected to support the desired switching frequency and output ripple specifications. Verify that the PCB layout accommodates the thermal requirements of the PowerTSSOP package for adequate heat dissipation under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM4360x series of SIMPLE SWITCHER regulators. It shares functional similarities with other members like the LM43602 but offers higher output current capability. The PWPT suffix denotes the specific 16-pin PowerTSSOP packaging variant suitable for surface-mount assembly.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM43603PWPR: Same electrical specifications and functionality, differing only in the shipping reel quantity configuration rather than the physical component characteristics.

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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.