- Datasheet Download Datasheet
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- Part Number UC3834NG4
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - N(R-PDIP-T16)
- Released Date Nov 18, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UC3834NG4 Details
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Manufacturer Part Number:
UC3834NG4
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Brand Name:
Texas Instruments
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Pbfree Code:
No
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
DIP
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Package Description:
GREEN, PLASTIC, DIP-16
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Pin Count:
16
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Texas Instruments
UC3834NG4 Frequently Asked Questions (FAQs)
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The UC3834NG4 is a high-frequency switching regulator, and proper layout and placement are crucial for its operation. TI recommends a compact, symmetrical layout with minimal trace lengths and widths. Place the input and output capacitors close to the IC, and ensure the feedback network is short and direct. Refer to the TI application note SLUA121 for more details.
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Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value. The UC3834NG4 datasheet provides a formula to calculate the inductance value based on the input voltage, output voltage, and switching frequency. Consider using a shielded inductor to reduce EMI. TI recommends inductors from reputable manufacturers like Coilcraft, Murata, or TDK.
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The UC3834NG4 has an absolute maximum input voltage rating of 18V. However, the recommended operating input voltage range is 12V to 15V. Exceeding the maximum rating can damage the IC. Ensure that the input voltage is within the recommended range to ensure reliable operation.
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The UC3834NG4 requires a compensation network to stabilize the voltage feedback loop. TI recommends a type-II compensation network consisting of resistors and capacitors. The datasheet provides a compensation calculation formula and a table with recommended values. You can also use TI's WEBENCH Power Designer tool to generate a custom compensation network.
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The UC3834NG4 has a thermal shutdown feature that turns off the IC when the junction temperature exceeds 150°C. This is a protection mechanism to prevent damage from overheating. Ensure proper thermal design and heat sinking to keep the IC within its recommended operating temperature range.
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UC3834NG4 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.