LM43601AQPWPTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM43601AQPWPTQ1 is an automotive-qualified synchronous buck switching regulator from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 3.5V to 36V and delivers a maximum output current of 1A. The adjustable output voltage spans from 1V to 28V. Key electrical parameters include a switchable frequency between 200kHz and 2.2MHz, peak current mode control, and a junction temperature operating range of -40°C to 125°C. The device is housed in a 16-PowerTSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments.
• Integrated synchronous rectification provides high efficiency across the load and line conditions.
• Peak current mode control architecture simplifies loop compensation and ensures stable operation.
• Flexible design capabilities through programmable switching frequency and internal soft-start functionality.

Voltage Regulators - DC DC Switching Regulators Applications

• On-board charging systems for electric and hybrid vehicles
• Infotainment and display power distribution networks
• Body electronics and lighting control modules
• Telematics and connectivity units requiring regulated power

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official datasheets and ordering information. Confirm that the specific suffix matches the required package and temperature grade. Ensure compliance with RoHS directives and check for any recent Product Change Notifications regarding symbolization or assembly updates before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring a 1A synchronous buck converter with wide input voltage tolerance. The adjustable frequency feature allows optimization for electromagnetic interference constraints. Consider the 16-PowerTSSOP package for thermal management and PCB layout efficiency compared to smaller footprints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM4360x series of SIMPLE SWITCHER regulators, which are designed for ease of use and compact size. The series includes variants with different current ratings, such as the 500mA LM43600 and higher current options like the 2A and 3A models. All members share similar control architectures and pinouts to facilitate scalable design transitions within automotive power systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers for the LM43601AQPWPTQ1 were not identified in the provided source material. Users should consult official Texas Instruments documentation for potential direct replacements or pin-compatible alternatives within the same product family.