LM61440AFSQRJRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM61440AFSQRJRRQ1 is an automotive-grade synchronous step-down DC-DC converter manufactured by Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a maximum output current of 4 A. The device features a programmable switching frequency adjustable from 200 kHz to 2.2 MHz and supports an output voltage range of 1 V to 34 V. It utilizes a VQFN-HR-14 package, ensuring reliable performance across an operating temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated low-noise synchronous buck topology for efficient power conversion
• Programmable switching frequency allows optimization for size and efficiency
• Automotive qualification ensures reliability in harsh environments

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment systems
• Instrument clusters
• Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'A' against official documentation to confirm it denotes the intended automotive grade variant within the LM61440 family. Ensure compatibility with required EMI filtering standards for your target application before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing automotive circuits requiring a compact solution with low noise characteristics. The wide input voltage range accommodates various vehicle battery architectures, while the high operating temperature rating supports under-hood or chassis-mounted installations without additional thermal management.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM61440 series of synchronous step-down converters designed specifically for automotive applications. It shares architectural similarities with other members of the family but is distinguished by its specific packaging and automotive qualification status, targeting robust performance in demanding vehicular electronic systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible alternatives such as the LMQ61460AFSQRJRRQ1 or LM61440AASQRJRRQ1. Verify pinout compatibility and electrical parameter alignment before replacing existing components in production designs.