LM73605QURNPRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM73605QURNPRQ1 is an automotive-qualified synchronous step-down voltage converter from Texas Instruments. It operates with an input voltage range of 3.5 V to 36 V and delivers a maximum output current of 5 A. The device features an adjustable output voltage ranging from 1 V to 34.2 V. It supports switching frequencies between 350 kHz and 2.2 MHz and maintains a typical quiescent current of 600 nA. The component is housed in a 30-WQFN package and is rated for operation temperatures from -40°C to +125°C, complying with AEC-Q100 standards.

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 wide load and line conditions.
• Wide input voltage capability accommodates various automotive bus architectures and transient loads.
• Configurable switching frequency allows optimization for external component size and electromagnetic interference.

Voltage Regulators - DC DC Switching Regulators Applications

• On-board charger systems
• Infotainment power distribution
• Instrument cluster regulation
• Telematics control units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'URNP' against the manufacturer datasheet to confirm pinout and thermal pad configuration. Ensure the order quantity matches the reel specifications provided by the distributor. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly planning.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring high current density and wide input voltage ranges. Compare the 5 A output capability against system peak loads to ensure adequate headroom. Evaluate the thermal performance within the 30-WQFN package relative to the expected ambient temperature and PCB copper area constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM7360x-Q1 family of synchronous buck converters designed specifically for automotive electronics. It shares architectural similarities with the LM73606 but offers a 5 A output rating compared to the 6 A variant. The series is characterized by its compact footprint and high efficiency, targeting space-constrained automotive modules.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM73606QRNPRQ1 serves as a higher-current alternative within the same package and family. Verify that the increased 6 A capability does not necessitate changes to the existing thermal design or passive components if substituting upwards.