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LMS3635LQURNLRQ1 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 5V 3.5A 22VQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LMS3635LQURNLRQ1
- Description：IC REG BUCK 5V 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)：5V
- Voltage - Output (Max)：-
- Current - Output：3.5A
- Frequency - Switching：2.1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 150°C (TJ)
- 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 LMS3635LQURNLRQ1
Voltage Regulators - DC DC Switching Regulators Overview
The LMS3635LQURNLRQ1 is a synchronous step-down DC/DC converter from Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It features a fixed 5 V output and delivers up to 3.5 A of output current. The device operates within an input voltage range of 3.9 V to 36 V and utilizes a fixed switching frequency of 400 kHz. Key electrical parameters include a quiescent current of 7.5 uA and a maximum operating temperature of +125°C. It is housed in a 22-VFQFN package suitable for surface mount installation.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Automotive-grade reliability certified under AEC-Q100 standards
- Integrated synchronous rectification for high efficiency
- Fixed 5 V output configuration simplifies design
- Compact 22-pin VFQFN package with wettable flanks
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- Instrument cluster power distribution
- Body control module (BCM) regulation
- Telematics unit power supplies
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the complete part number including suffixes to ensure correct package and temperature grade. Confirm AEC-Q100 certification requirements match your specific application needs. Check moisture sensitivity level (MSL) ratings before storage and handling. Ensure compatibility with your PCB footprint for the 22-VFQFN package. Validate input voltage ranges against your system's supply characteristics.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a fixed 5 V output is required for automotive loads. Consider the 3.5 A current capability for moderate power applications. Evaluate the 400 kHz switching frequency against EMI constraints. Compare thermal performance in the 22-VFQFN package against alternative packages. Verify that the 3.9 V minimum input voltage aligns with your battery or supply rail.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LM53635/LMS3635 family of synchronous buck converters. The 'L' suffix typically denotes a fixed output voltage variant, while 'M' indicates adjustable output. The 'Q1' suffix signifies automotive qualification. The 'URNL' code specifies the 22-VFQFN package and reel packaging type. This family targets compact, high-efficiency power solutions for automotive electronics.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Check for direct pin-compatible alternatives within the same TI family. Verify if other variants offer different output voltages or current ratings. Ensure any substitute maintains AEC-Q100 compliance for automotive use. Compare thermal resistance values for similar package types. Confirm switching frequency compatibility with existing filter components.
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