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LMS3635NQRNLTQ1 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 3.3V 3.5A 22VQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LMS3635NQRNLTQ1
- Description：IC REG BUCK 3.3V 3.5A 22VQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：3.9V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：3.5A
- Frequency - Switching：250kHz ~ 500kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：22-PowerVFQFN
- Supplier Device Package：22-VQFN-HR (5x4)
- Grade：Automotive
- Qualification：AEC-Q100
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMS3635NQRNLTQ1
Voltage Regulators - DC DC Switching Regulators Overview
The LMS3635NQRNLTQ1 is a fixed-output synchronous buck converter from Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It delivers a fixed 3.3V output at up to 3.5A. The device operates with an input voltage range of 3.9V to 36V and features a low quiescent current of 7.5µA. It utilizes a 22-PowerVFQFN package (VQFN-HR-22) and supports surface mount installation with wettable flanks. The switching frequency ranges from 250kHz to 500kHz, and it functions within a temperature range of -40°C to +125°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Automotive-grade reliability certified under AEC-Q100 standards
- Integrated synchronous rectification for high efficiency
- Wettable flank package design for enhanced inspection
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- Instrument clusters
- Body control modules
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix 'N' confirms the fixed 3.3V output configuration. Ensure the order includes the QRNLTQ1 designation to guarantee AEC-Q100 qualification and VQFN-HR-22 packaging. Confirm RoHS compliance status through official documentation before finalizing procurement specifications.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a stable 3.3V rail is required for automotive loads drawing up to 3.5A. The wide input voltage range accommodates various vehicle battery architectures. The fixed output eliminates external resistor networks, simplifying board layout compared to adjustable variants in the same family.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LMS3635 series of high-efficiency synchronous step-down converters. It shares the 22-VQFN-HR package and core topology with other variants like the LMS3635MQRNLTQ1 (adjustable) and LMS36353QRNLTQ1 (3.3V). The 'N' suffix specifically denotes the fixed 3.3V output version within this product line.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
LMS36353QRNLTQ1 offers identical electrical performance and pinout with the same fixed 3.3V output. LMS3635MQRNLTQ1 provides adjustable output but requires external feedback components.
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