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- Part Number STEF05LAJR
- Manufacturer STMicroelectronics
- Pin Count 9
- Part Category Integrated Circuit
- Package Category BGA
- Footprint Name BGA - Flip Chip 9
- Released Date Sep 20, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
STEF05LAJR Details
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Manufacturer Part Number:
STEF05LAJR
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Not Recommended
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Package Description:
BGA-9
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Country Of Origin:
Mainland China
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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:
3
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Additional Feature:
JUNCTION TEMPERATURE CONSIDERED
STEF05LAJR Frequently Asked Questions (FAQs)
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STMicroelectronics provides a recommended PCB layout in the 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 1-10uF. Consult the application note AN4979 for more detailed guidance.
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The maximum allowed voltage drop across the STEF05LAJR is 1.5V. Exceeding this voltage drop may lead to reduced efficiency, increased heat generation, or even damage to the device.
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The STEF05LAJR is rated for operation up to 150°C. However, the device's performance and reliability may degrade at high temperatures. Consult the datasheet and application notes for thermal derating guidelines and ensure proper thermal management in your design.
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To ensure EMC, follow the guidelines in the application note AN4979, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using a common-mode choke and/or a ferrite bead to filter out electromagnetic interference.
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STEF05LAJR 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