- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LM5123QRGRRQ1
- Part Number LM5123QRGRRQ1
- Manufacturer Texas Instruments
- Pin Count 21
- Part Category Integrated Circuit
- Package Category Quad Flat No-Lead
- Footprint Name Quad Flat No-Lead - RGR (S-PVQFN-N20)_2020
- Released Date Nov 22, 2022
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM5123QRGRRQ1 Details
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Manufacturer Part Number:
LM5123QRGRRQ1
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
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YTEOL:
15
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Analog IC - Other Type:
SWITCHING CONTROLLER
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Control Mode:
CURRENT-MODE
LM5123QRGRRQ1 Frequently Asked Questions (FAQs)
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A good PCB layout for the LM5123QRGRRQ1 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog nodes.
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To optimize the compensation network, start by selecting the recommended values for the compensation components (R1, R2, C1, and C2) from the datasheet. Then, use a network analyzer or a simulation tool to fine-tune the values based on the specific application requirements and PCB layout.
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The maximum allowed input voltage for the LM5123QRGRRQ1 is 42V, but it's recommended to keep the input voltage below 40V to ensure reliable operation and to prevent damage to the IC.
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To ensure the LM5123QRGRRQ1 operates within the recommended junction temperature range (TJ = -40°C to 125°C), use a thermal pad or a heat sink, and ensure good airflow around the IC. Also, avoid high ambient temperatures and minimize the power dissipation in the IC.
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The recommended input capacitor type for the LM5123QRGRRQ1 is a low-ESR ceramic capacitor (X5R or X7R dielectric) with a voltage rating of at least 50V. Avoid using electrolytic capacitors or tantalum capacitors as they may not provide the required low ESR.
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LM5123QRGRRQ1 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.