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- Stock & Prices $ Price & Stock for L9651
- Part Number L9651
- Manufacturer STMicroelectronics
- Pin Count 21
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - PowerSO-20-----
- Released Date Aug 29, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
L9651 Details
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Manufacturer Part Number:
L9651
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
SOIC
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Package Description:
SOP, SOP20,.56
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Pin Count:
20
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Reach Compliance Code:
Not Compliant
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Country Of Origin:
Malaysia
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Factory Lead Time:
18 Weeks
L9651 Frequently Asked Questions (FAQs)
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A good PCB layout for the L9651 involves keeping the input and output stages separate, using a star-ground configuration, and placing the device close to the power supply. Additionally, using a ground plane and shielding can help reduce EMI.
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To ensure proper thermal management, ensure good airflow around the device, use a heat sink if necessary, and avoid blocking the thermal pad on the bottom of the package. The maximum junction temperature (Tj) should not exceed 150°C.
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The recommended input capacitor value is 10uF to 22uF, and a low-ESR ceramic or film capacitor is recommended. The capacitor should be placed close to the VIN pin and have a low impedance path to ground.
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To troubleshoot issues with the L9651, check the input voltage, output load, and PCB layout. Verify that the input capacitor is properly sized and placed, and that the output filter components are correct. Use an oscilloscope to measure the output voltage and current, and check for signs of oscillation or instability.
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Yes, the L9651 is suitable for high-reliability and automotive applications. It meets the requirements of the AEC-Q100 standard for automotive applications, and its robust design and manufacturing process ensure high reliability.
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L9651 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