- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for L9997ND
- Part Number L9997ND
- Manufacturer STMicroelectronics
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - SO-20_2022
- Released Date Aug 28, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
L9997ND Details
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Manufacturer Part Number:
L9997ND
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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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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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Date Of Intro:
1980-01-04
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Manufacturer:
STMicroelectronics
L9997ND Frequently Asked Questions (FAQs)
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A good PCB layout for the L9997ND involves keeping the power traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
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The choice of input and output capacitors for the L9997ND depends on the specific application requirements. In general, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended. The capacitance value should be at least 10uF for the input capacitor and 22uF for the output capacitor.
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The L9997ND can operate in an ambient temperature range of -40°C to 150°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
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To ensure the L9997ND is properly configured, refer to the datasheet and application notes provided by STMicroelectronics. It's also recommended to use the device's evaluation board or a similar reference design to test and validate the configuration before implementing it in a custom design.
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To ensure EMI and EMC compliance when using the L9997ND, it's essential to follow proper PCB layout and design practices, such as using a shielded enclosure, minimizing loop areas, and using EMI filters. Additionally, the device's switching frequency and output voltage should be carefully selected to minimize electromagnetic interference.
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L9997ND 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