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- Part Number UC2852N
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - P (R-PDIP-T8)
- Released Date Sep 15, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UC2852N Details
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Manufacturer Part Number:
UC2852N
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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:
DIP
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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
UC2852N Frequently Asked Questions (FAQs)
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The UC2852N is a high-frequency switching regulator, and proper PCB layout is crucial for its operation. TI recommends a 4-layer PCB with a solid ground plane, and the use of vias to connect the top and bottom layers. The input and output capacitors should be placed close to the IC, and the feedback network should be routed away from the switching node. A detailed layout guide is available in the TI application note SLUA121.
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The UC2852N requires a type-III compensation network to ensure stability. The compensation components (R1, R2, C1, C2, and C3) should be selected based on the output voltage, output capacitance, and the desired crossover frequency. TI provides a compensation calculator tool to help with the selection of these components. Additionally, the application note SLUA121 provides a detailed explanation of the compensation process.
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The UC2852N has an absolute maximum input voltage rating of 30V. However, the recommended maximum input voltage is 24V to ensure reliable operation and to prevent damage to the internal components. Exceeding the recommended input voltage may reduce the lifespan of the device or cause it to fail.
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Yes, the UC2852N can be used in a synchronous rectification configuration to improve efficiency. However, this requires additional external components, such as a synchronous rectifier FET and a Schottky diode. TI provides an application note (SLUA143) that describes the design considerations and component selection for synchronous rectification with the UC2852N.
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The UC2852N has built-in overcurrent protection (OCP) and overvoltage protection (OVP) features. The OCP threshold is set by the RSENSE resistor, and the OVP threshold is set by the VCC voltage. Additionally, external components such as fuses, TVS diodes, and zener diodes can be used to provide additional protection against overcurrent and overvoltage conditions.
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UC2852N 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.