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- Part Number UC2845D8TR
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - D
- Released Date Oct 16, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UC2845D8TR Details
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Manufacturer Part Number:
UC2845D8TR
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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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Part Package Code:
SOIC
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Pin Count:
8
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Country Of Origin:
Mexico
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
UC2845D8TR Frequently Asked Questions (FAQs)
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The UC2845D8TR is a high-frequency switching regulator, and as such, proper PCB layout and design are crucial for optimal performance. TI recommends a multi-layer PCB with a solid ground plane, and to keep the switching node (pin 5) as short as possible. Additionally, decoupling capacitors should be placed close to the IC, and the input and output capacitors should be placed close to the switching node.
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The choice of inductor value and type depends on the specific application requirements, such as output voltage, current, and switching frequency. TI recommends using an inductor with a high saturation current rating and a low DC resistance. A good starting point is to use an inductor with a value between 10uH to 22uH, and to consult the datasheet for more detailed guidance.
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The UC2845D8TR is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design. TI recommends using a thermal derating curve to determine the maximum ambient temperature for a given application.
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To ensure EMC compliance, TI recommends using a shielded enclosure, keeping the switching node (pin 5) as short as possible, and using a common-mode choke or ferrite bead on the input and output lines. Additionally, the PCB layout should be designed to minimize radiated emissions and conducted noise.
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The recommended input capacitor type is a low-ESR ceramic or film capacitor, with a value between 10uF to 22uF. The capacitor should be placed close to the IC and should have a voltage rating that exceeds the maximum input voltage.
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UC2845D8TR Overview
Use the download button to access the UC2845D8TR schematic symbol, PCB footprint, and 3D model.
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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.