- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for BA3121F-E2
- Part Number BA3121F-E2
- Manufacturer ROHM Semiconductor
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - SOP8
- Released Date Feb 17, 2018
- Last Modified Date Aug 15, 2025 6:51 AM UTC
- Pinout / Pin List Click Here (Member Only)
BA3121F-E2 Details
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Manufacturer Part Number:
BA3121F-E2
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
SOIC
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Package Description:
SOP-8
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Pin Count:
8
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Reach Compliance Code:
Compliant
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Country Of Origin:
Philippines
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Factory Lead Time:
8 Weeks
BA3121F-E2 Frequently Asked Questions (FAQs)
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A good PCB layout for the BA3121F-E2 involves keeping the input and output traces short and separate, using a solid ground plane, and placing decoupling capacitors close to the IC. ROHM provides a recommended PCB layout in their application notes.
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To ensure the BA3121F-E2 operates within its recommended operating conditions, monitor the input voltage, output current, and ambient temperature. Make sure to stay within the specified ranges: 2.7V to 5.5V for input voltage, 1A for output current, and -40°C to 85°C for ambient temperature.
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The BA3121F-E2 has a thermal shutdown feature that activates when the junction temperature exceeds 150°C. Ensure good airflow, use a heat sink if necessary, and avoid blocking the IC's thermal pad to prevent overheating.
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Yes, the BA3121F-E2 is AEC-Q100 qualified, making it suitable for automotive applications. However, for high-reliability applications, consult ROHM's reliability report and follow their recommended design guidelines to ensure the IC meets your specific requirements.
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To troubleshoot issues with the BA3121F-E2, start by checking the input voltage, output voltage, and output current. Verify the PCB layout and component placement. Consult ROHM's application notes and datasheet for troubleshooting guidelines and common pitfalls to avoid.
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BA3121F-E2 Overview
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