CAN ALSO BE PROGRAMMED FOR CURRENT MODE AND VOLTAGE MODE
Analog IC - Other Type:
POWER FACTOR CONTROLLER WITH POST REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
15 V
Input Voltage-Min:
10.3 V
Input Voltage-Nom:
12 V
JESD-30 Code:
R-PDSO-G20
Length:
12.8 mm
Number of Functions:
1
Number of Terminals:
20
Operating Temperature-Max:
70 °C
Output Current-Max:
1.2 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP20,.4
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
NOT SPECIFIED
Qualification Status:
Not Qualified
Screening Level:
TS 16949
Seated Height-Max:
2.65 mm
Supply Current-Max (Isup):
6 mA
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
120 kHz
Technology:
BICMOS
Temperature Grade:
COMMERCIAL
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
NOT SPECIFIED
Width:
7.5 mm
UCC38500DWTR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the UCC38500DWTR datasheet, but it's essential to follow good PCB design practices, such as separating analog and digital grounds, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, using a 4-layer PCB with a dedicated power plane can help reduce EMI and noise.
The selection of external components depends on the specific application requirements, such as output voltage, current, and frequency. Texas Instruments provides a transformer design guide and an output filter design tool to help engineers select the correct components. Additionally, the datasheet provides guidelines for selecting the correct components based on the application requirements.
The UCC38500DWTR has an operating temperature range of -40°C to 125°C. As the temperature increases, the device's performance may be affected, such as reduced efficiency, increased power losses, and decreased reliability. 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.
Troubleshooting issues with the UCC38500DWTR requires a systematic approach. First, ensure that the device is properly configured and that the input and output voltages are within the recommended range. Check for proper PCB layout, decoupling, and filtering. Use oscilloscopes and other measurement tools to identify the source of the issue. Texas Instruments also provides application notes and technical support resources to help engineers troubleshoot common issues.
The UCC38500DWTR is designed for high-reliability applications and meets various industry standards and certifications, such as IEC 62368-1, UL 62368-1, and EN 62368-1. However, it's essential to ensure that the device is used within its recommended operating conditions and that the application meets the relevant safety and reliability standards. Texas Instruments provides additional resources and support for engineers designing high-reliability and safety-critical applications.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
UCC38500DWTR Overview
Use the download button to access the UCC38500DWTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UCC38,
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.
