LM43601QPWPTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM43601QPWPTQ1 is an automotive-qualified synchronous step-down DC-DC converter from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 3.5V to 36V and delivers a continuous output current of 1A. The device features adjustable switching frequencies between 200kHz and 2.2MHz, ensuring flexible design options for various applications. It maintains a low quiescent current of 27uA and supports output voltages from 1V to 28V. Packaged in a 16-pin HTSSOP, it functions within a junction temperature range of -40°C to +125°C and holds AEC-Q100 qualification.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability with AEC-Q100 qualification for robust performance in vehicle environments.
• Synchronous buck topology provides high efficiency across the load range while supporting wide input voltage inputs.
• Integrated protection mechanisms include thermal shutdown, undervoltage lockout, and cycle-by-cycle current limiting.
• Flexible design capability through programmable switching frequency and precision enable control features.

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment systems requiring stable power regulation
• Instrument cluster power distribution networks
• Body control modules and gateway ECUs
• ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific ordering suffix matches the required package type and tape-and-reel quantity specifications. Confirm that the component carries the correct AEC-Q100 designation for your automotive application requirements. Ensure compatibility with your PCB footprint for the 16-pin HTSSOP package. Check for any recent product change notices regarding assembly or material updates before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when an automotive-rated synchronous buck converter is needed for 36V automotive architectures. It is suitable for designs requiring 1A output current with adjustable frequency optimization. Consider the 16-pin HTSSOP package for space-constrained layouts. Evaluate thermal performance based on the specified junction temperature range and ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM4360x series of SIMPLE SWITCHER regulators, designed for easy implementation in power management circuits. The series offers synchronous rectification and peak current mode control for simplified compensation. It targets applications demanding high efficiency and compact solution sizes in automotive and industrial sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other AEC-Q100 qualified synchronous buck converters from Texas Instruments such as the LM516x or LM2516x series, provided they meet the 36V input and 1A output requirements. Verify pin-to-pin compatibility and control loop stability when transitioning to alternative devices.