- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for UC2845ADTR
- Part Number UC2845ADTR
- Manufacturer Texas Instruments
- Pin Count 14
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - D (-R-PDSO-G14)
- Released Date Dec 5, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UC2845ADTR Details
-
Manufacturer Part Number:
UC2845ADTR
-
Brand Name:
Texas Instruments
-
Pbfree Code:
Yes
-
Rohs Code:
Yes
-
Part Life Cycle Code:
Active
-
Part Package Code:
SOIC
-
Package Description:
SOP, SOP14,.25
-
Pin Count:
14
-
Reach Compliance Code:
Compliant
-
Country Of Origin:
Mexico
-
ECCN Code:
EAR99
-
HTS Code:
8542.39.00.90
UC2845ADTR Frequently Asked Questions (FAQs)
-
The UC2845ADTR is a high-frequency switching regulator, and as such, it requires careful PCB design and layout to minimize noise, EMI, and parasitic inductance. TI recommends using a 4-layer PCB with a solid ground plane, separating the high-current paths from the low-current paths, and using short, wide traces for the power lines. Additionally, it's essential to place the input and output capacitors close to the IC and use a common ground point for the input and output returns.
-
The choice of external components depends on the specific application requirements, such as output voltage, current, and frequency. TI provides a detailed component selection guide in the datasheet, which includes formulas and graphs to help designers select the optimal components. Additionally, TI's WEBENCH online design tool can be used to simplify the component selection process.
-
The UC2845ADTR has an operating ambient temperature range of -40°C to 85°C. As the temperature increases, the device's performance may be affected, including reduced output voltage regulation, increased quiescent current, and decreased efficiency. It's essential to ensure proper thermal management, such as using a heat sink or thermal interface material, to maintain the device within its recommended operating temperature range.
-
Common issues with the UC2845ADTR can often be attributed to poor PCB design, incorrect component selection, or inadequate thermal management. To troubleshoot, start by verifying the PCB design and layout, checking for proper component selection and placement, and ensuring adequate thermal management. Use an oscilloscope to measure the output voltage and current waveforms, and check for signs of oscillation or instability. TI also provides a troubleshooting guide in the datasheet and application notes.
-
Yes, the UC2845ADTR can be used in a synchronous rectification configuration, which can improve efficiency and reduce power losses. Synchronous rectification uses a low-dropout diode or a MOSFET as the rectifier instead of a traditional diode, reducing the voltage drop and increasing efficiency. TI provides application notes and design examples for synchronous rectification configurations using the UC2845ADTR.
Trust Checks
Community Provided
System Verified
Community Approved
UC2845ADTR Overview
Use the download button to access the UC2845ADTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC284,
or try a keyword search, such as Switching Regulator or Controllers
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.