- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for L9904
- Part Number L9904
- Manufacturer STMicroelectronics
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - . SO20 package mechanical data
- Released Date Aug 27, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
L9904 Details
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Manufacturer Part Number:
L9904
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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:
SO-20
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Pin Count:
20
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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:
21 Weeks
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Manufacturer:
STMicroelectronics
L9904 Frequently Asked Questions (FAQs)
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STMicroelectronics provides a recommended PCB layout in the application note AN4553, which includes guidelines for component placement, thermal management, and routing to ensure optimal performance and minimize electromagnetic interference (EMI).
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The input capacitor selection depends on the input voltage, current, and frequency. A general rule of thumb is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 1uF to 10uF. The datasheet provides more detailed guidelines and equations to calculate the optimal capacitance value.
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The L9904 has an operating temperature range of -40°C to 150°C, but the maximum junction temperature (Tj) should not exceed 150°C. It's essential to ensure proper thermal management, such as using a heat sink or thermal pad, to prevent overheating and ensure reliable operation.
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Yes, the L9904 is AEC-Q100 qualified, which means it meets the automotive industry's standards for reliability and performance. Additionally, STMicroelectronics provides a dedicated high-reliability version of the L9904, which undergoes additional testing and screening to ensure its suitability for demanding applications.
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STMicroelectronics provides a troubleshooting guide in the application note AN4553, which covers common issues and their solutions. Additionally, engineers can use simulation tools, such as SPICE models, to analyze and debug their designs. It's also recommended to consult with STMicroelectronics' technical support team for personalized assistance.
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L9904 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