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LMR36015FSCQRNXTQ1
Texas Instruments
IC REG BUCK ADJ 1.5A 12VQFN
333273 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 1V 1 Output 1.5A 12-VFQFN
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (168 Ratings)
LMR36015FSCQRNXTQ1
Product Overview
1344178
DiGi Electronics Part Number
LMR36015FSCQRNXTQ1-DGManufacturer
Texas Instruments
LMR36015FSCQRNXTQ1
Description
IC REG BUCK ADJ 1.5A 12VQFNInventory
333273 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 1V 1 Output 1.5A 12-VFQFN
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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LMR36015FSCQRNXTQ1 Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
4.2V
Voltage - Input (Max)
60V
Voltage - Output (Min/Fixed)
1V
Voltage - Output (Max)
58V
Current - Output
1.5A
Frequency - Switching
2.1MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount, Wettable Flank
Package / Case
12-VFQFN
Supplier Device Package
12-VQFN-HR (3x2)
Base Product Number
LMR36015
Datasheet & Documents
Manufacturer Product Page
LMR36015FSCQRNXTQ1 Specifications
HTML Datasheet
LMR36015FSCQRNXTQ1-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-53390-6
296-53390-1
296-53390-2
Standard Package
250
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
每次訂購都體驗到準時出貨的服務，讓我的工作安排更加順利。
de desembre 02, 2025
Bei DiGi Electronics stimmt alles – günstige Preise und ein tolles, freundliches Team.
de desembre 02, 2025
DiGi Electronics demonstrated great professionalism during the entire delivery process, ensuring I received my order in excellent condition.
de desembre 02, 2025
The emphasis on packaging safety minimizes the risk of damage during transportation.
de desembre 02, 2025
Their products seem to be engineered with durability in mind—after months of use, they still perform flawlessly.
de desembre 02, 2025
The high-quality standards upheld by DiGi Electronics are evident in every product I’ve used.
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Frequently Asked Questions (FAQ)
What are the key thermal design considerations when using the LMR36015FSCQRNXTQ1 in a high-temperature automotive environment?
When designing with the LMR36015FSCQRNXTQ1 in automotive applications where ambient temperatures can reach 125°C, careful PCB thermal management is critical due to its 150°C maximum junction temperature. To mitigate thermal risks, ensure adequate copper pour for the exposed thermal pad, use thermal vias to internal ground planes, and avoid placing heat-sensitive components nearby. The wettable flank package supports visual solder inspection but doesn't reduce thermal resistance—so rely on layout, not just packaging. At full 1.5A load and VIN >24V, consider reducing switching frequency via external resistors (if supported) or increasing airflow to prevent thermal shutdown under transient conditions.
Can the LMR36015FSCQRNXTQ1 reliably replace the LM5085MHX/NOPB in a 48V telecom buck converter design, and what are the integration trade-offs?
Yes, the LMR36015FSCQRNXTQ1 can effectively replace the LM5085MHX/NOPB in 48V systems while offering higher integration and 2.1MHz switching frequency, which allows smaller magnetics. However, unlike the LM5085’s constant-on-time control, the LMR36015FSCQRNXTQ1 uses peak current-mode control—this improves line regulation but may require more attention to compensation design. Ensure the feedback divider impedance is scaled appropriately to minimize noise susceptibility, especially when setting VOUT near 1V. Also verify that the minimum on-time supports your required step-down ratio at 2.1MHz, as the LMR36015FSCQRNXTQ1 has a ~70ns minimum on-time.
How does the LMR36015FSCQRNXTQ1 handle light-load efficiency, and what should I watch for in battery-powered always-on automotive modules?
The LMR36015FSCQRNXTQ1 enters pulse-skipping mode under light loads, maintaining moderate efficiency down to ~10mA output current. However, in battery-powered systems requiring ultra-low quiescent current, note that its IQ is ~50μA—not as low as dedicated low-IQ regulators like the TPS62840. For always-on automotive modules, this could impact long-term battery health. To optimize, ensure the EN pin is actively controlled during sleep modes, and consider adding a series PMOS to cut off load current when necessary. Also, be cautious of output voltage ripple increase in pulse-skipping mode, which may affect sensitive analog circuits.
What are the risks of using the LMR36015FSCQRNXTQ1 near its 60V input limit in industrial motor drive applications with high-voltage transients?
Operating the LMR36015FSCQRNXTQ1 near its 60V absolute maximum input increases risk during voltage surges common in motor drives. Even brief transients exceeding 60V—such as inductive kickback or load dump—can damage the IC. Always include transient protection: combine a TVS diode rated for 65V standoff with a series resistor or small inductor on VIN. Also consider derating the input to ≤52V nominal to build margin. The AEC-Q100 qualification implies robustness, but it doesn't eliminate overvoltage failure risk—especially with fast-edge transients that bypass bulk capacitance.
Is the LMR36015FSCQRNXTQ1 suitable for high-density point-of-load designs, and how does its 3mm x 2mm VQFN package affect layout and manufacturability?
The LMR36015FSCQRNXTQ1’s 3mm x 2mm VQFN package is ideal for high-density POL designs, but layout precision is critical. Maintain tight loop areas for VIN, switching node, and ground to minimize EMI and voltage spikes. Use 1 oz copper and at least 2 internal thermal vias under the exposed pad for thermal performance. The wettable flank leads support AOI inspection, improving SMT yield in volume manufacturing, but require appropriate stencil design (typically 1:1 or slight reduction) to prevent solder bridging. Avoid placing feedback traces under the inductor or near the SW pin to prevent coupling noise, especially at 2.1MHz switching frequency.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LMR36015FSCQRNXTQ1 CAD Models
Texas Instruments LMR36015FSCQRNXTQ1 PCB symbols & footprints
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