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- Part Number LP3943ISQ
- Manufacturer Texas Instruments
- Pin Count 25
- Part Category Integrated Circuit
- Package Category Quad Flat No-Lead
- Footprint Name Quad Flat No-Lead - RTW0024 C
- Released Date Jan 11, 2017
- Last Modified Date Nov 15, 2024 1:35 PM UTC
- Pinout / Pin List Click Here (Member Only)
LP3943ISQ Details
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Manufacturer Part Number:
LP3943ISQ
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Brand Name:
Texas Instruments
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Part Life Cycle Code:
Obsolete
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Part Package Code:
QFN
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Pin Count:
24
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Texas Instruments
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YTEOL:
0
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Data Input Mode:
SERIAL
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Input Characteristics:
STANDARD
LP3943ISQ Frequently Asked Questions (FAQs)
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The recommended input capacitor value is 10uF to 22uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input voltage ripple and improve output voltage regulation.
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To ensure stability, it's essential to follow the recommended PCB layout guidelines, use a sufficient output capacitor value (typically 10uF to 22uF), and ensure the input capacitor is placed close to the VIN pin. Additionally, avoid using long traces and minimize the distance between the input and output capacitors.
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The LP3943ISQ can deliver up to 1.5A of output current, but this may vary depending on the input voltage, output voltage, and ambient temperature. It's essential to check the thermal performance and power dissipation to ensure the device operates within its safe operating area.
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The LP3943ISQ is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's essential to consider the device's thermal performance, power dissipation, and derating factors when operating in high-temperature environments.
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The output voltage of the LP3943ISQ can be adjusted by using a resistive divider network between the VOUT pin and the GND pin. The output voltage can be calculated using the formula: VOUT = 0.8V x (R1 / R2 + 1), where R1 and R2 are the resistors in the divider network.
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LP3943ISQ 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.