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LV14360PDDAR
Texas Instruments
IC REG BUCK ADJ 3A 8SO PWR
5291 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-PowerSOIC (0.154", 3.90mm Width)
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5.0 / 5.0
- (160 Ratings)
LV14360PDDAR
Product Overview
10414568
DiGi Electronics Part Number
LV14360PDDAR-DGManufacturer
Texas Instruments
LV14360PDDAR
Description
IC REG BUCK ADJ 3A 8SO PWRInventory
5291 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-PowerSOIC (0.154", 3.90mm Width)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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LV14360PDDAR 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)
4.3V
Voltage - Input (Max)
60V
Voltage - Output (Min/Fixed)
0.8V
Voltage - Output (Max)
50V
Current - Output
3A
Frequency - Switching
200kHz ~ 2MHz
Synchronous Rectifier
No
Operating Temperature
-40°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SO PowerPad
Base Product Number
LV14360
Datasheet & Documents
HTML Datasheet
LV14360PDDAR-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-LV14360PDDARTR
296-LV14360PDDARCT
296-LV14360PDDARDKR
Standard Package
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
사후 서비스가 정말 훌륭해서 계속 이용하고 싶어집니다.
грудня 02, 2025
Un service client très cordial, ils prennent le temps de répondre à toutes mes questions.
грудня 02, 2025
商品の発送連絡も早く、追跡情報も明確だったため、予定通りに受け取ることができました。
грудня 02, 2025
The item arrived well-protected thanks to comprehensive packaging, and it's extremely durable.
грудня 02, 2025
Always pleased with the fast shipment and the great prices offered.
грудня 02, 2025
Very impressed with the durability and craftsmanship of their products; they truly stand out.
грудня 02, 2025
The shipping process was smooth, with no delays or damage to the products.
грудня 02, 2025
Di Digi Electronics maintains excellent communication through their logistics updates.
грудня 02, 2025
The pricing makes DiGi Electronics a smart choice for gamers looking for dependable gear.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the LV14360PDDAR in high-vibration industrial environments, and how can PCB layout mitigate them?
The LV14360PDDAR’s 8-SO PowerPad package, while efficient for thermal dissipation, can be susceptible to mechanical stress in high-vibration settings due to its surface-mount design and exposed thermal pad. Solder joint fatigue may develop over time, especially if the PCB lacks proper anchoring. To mitigate this, use a robust solder mask-defined pad layout with via-in-pad thermal connections filled and capped, and consider adding conformal coating. Ensure the board is secured with mechanical fasteners near the regulator to reduce strain. Additionally, avoid placing the LV14360PDDAR on flexible or unsupported sections of the PCB to prevent resonant fatigue failures.
Can the LV14360PDDAR safely replace a TPS54360 in a 24V-to-5V/3A automotive application, and what design changes are needed?
While both the LV14360PDDAR and TPS54360 are 60V, 3A buck regulators from Texas Instruments, direct drop-in replacement isn’t recommended without review. The LV14360PDDAR lacks integrated FETs (it’s a controller, not a fully integrated converter like the TPS54360), so it requires external MOSFETs and a more complex gate drive circuit. You’ll need to redesign the power stage, including selecting compatible high-side and low-side N-channel MOSFETs with appropriate VDS and Qg ratings, and ensure the driver circuitry matches the LV14360PDDAR’s 200kHz–2MHz switching range. Also, verify loop compensation and thermal management, as the external FETs may introduce additional parasitics affecting stability.
How does the absence of synchronous rectification in the LV14360PDDAR impact efficiency at light loads, and what workaround can improve performance?
The LV14360PDDAR uses an asynchronous buck topology, meaning it relies on an external Schottky diode for freewheeling current during the off-phase. This results in higher conduction losses at light loads (e.g., <100mA), where diode forward voltage dominates, reducing efficiency significantly compared to synchronous alternatives like the LM5145. To mitigate this, implement pulse-frequency modulation (PFM) mode if supported by your controller configuration, or add a load-sharing circuit that bypasses the regulator during standby. Alternatively, consider using a synchronous controller like the LV14361 (if available) or evaluate whether the system’s duty cycle justifies the efficiency trade-off for cost and simplicity benefits.
What input voltage transient conditions could cause premature failure of the LV14360PDDAR in a 48V telecom power system, and how should input protection be designed?
In 48V telecom systems, load dump events or hot-swap operations can generate voltage spikes exceeding the LV14360PDDAR’s 60V absolute maximum rating, even if nominal input is within spec. Transients above 65V can damage the internal control circuitry. To protect the LV14360PDDAR, implement a TVS diode rated for 58–60V clamping voltage (e.g., SMAJ58A) close to the input pins, along with a series input fuse and LC filter to suppress high-frequency noise. Additionally, use a soft-start circuit to limit inrush current during startup, and ensure the input capacitor bank has sufficient RMS current rating and low ESR to handle ripple without overheating under transient conditions.
Is the LV14360PDDAR suitable for always-on industrial sensor nodes powered by 12V rails with frequent start-stop cycles, and what derating practices are advised?
The LV14360PDDAR can be used in always-on 12V sensor nodes, but frequent start-stop cycles increase thermal cycling stress on the PowerPad and external components, potentially leading to early failure. Although its junction temperature range (-40°C to 150°C) is robust, repeated ΔT swings accelerate solder joint degradation. Derate the output current to ≤2.1A (70% of 3A) in continuous operation and ensure ambient temperature stays below 85°C. Use a thermally enhanced PCB with 2 oz copper and multiple thermal vias under the PowerPad. Monitor inductor saturation current and diode reverse recovery to avoid localized hot spots during cycling, and consider adding a watchdog timer to minimize unnecessary switching transitions during idle periods.
Quality Assurance (QC)
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LV14360PDDAR CAD Models
Texas Instruments LV14360PDDAR PCB symbols & footprints
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