- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for STEF05LJR
- Part Number STEF05LJR
- Manufacturer STMicroelectronics
- Pin Count 9
- Part Category Integrated Circuit
- Package Category BGA
- Footprint Name BGA - 3.45
- Released Date Sep 20, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
STEF05LJR Details
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Manufacturer Part Number:
STEF05LJR
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Package Description:
BGA-9
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Country Of Origin:
Italy
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
STMicroelectronics
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YTEOL:
0
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Additional Feature:
JUNCTION TEMPERATURE CONSIDERED
STEF05LJR Frequently Asked Questions (FAQs)
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STMicroelectronics provides a recommended PCB layout in their application note AN4979, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
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The input capacitor selection depends on the input voltage, current, and frequency. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 10uF to 100uF. Additionally, consider the capacitor's ESR, ripple current, and temperature rating.
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The maximum allowed voltage drop across the internal FETs is not explicitly stated in the datasheet. However, as a general rule, it's recommended to keep the voltage drop below 1V to ensure reliable operation and minimize power losses.
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The STEF05LJR is rated for operation up to 150°C, but it's essential to consider the derating curves and thermal management strategies to ensure reliable operation. Consult the datasheet and application notes for guidance on high-temperature operation.
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Start by verifying the input voltage, current, and frequency. Check for proper PCB layout, thermal management, and component selection. Use oscilloscopes and current probes to measure waveforms and currents. Consult STMicroelectronics' application notes and technical support resources for guidance on troubleshooting and debugging.
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STEF05LJR Overview
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About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut