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:
18 V
Input Voltage-Min:
10.3 V
Input Voltage-Nom:
12 V
JESD-30 Code:
R-PDIP-T20
JESD-609 Code:
e4
Length:
25.4 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:
DIP
Package Equivalence Code:
DIP20,.3
Package Shape:
RECTANGULAR
Package Style:
IN-LINE
Qualification Status:
Not Qualified
Seated Height-Max:
5.08 mm
Supply Current-Max (Isup):
4 mA
Supply Voltage-Max (Vsup):
18 V
Supply Voltage-Nom (Vsup):
12 V
Surface Mount:
NO
Switcher Configuration:
BOOST
Switching Frequency-Max:
200 kHz
Technology:
BICMOS
Temperature Grade:
COMMERCIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
DUAL
Width:
7.62 mm
UCC38500N Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the UCC38500N evaluation module (EVM) user's guide, which includes guidelines for component placement, routing, and thermal management. Following this layout can help minimize noise, reduce electromagnetic interference (EMI), and improve overall performance.
The UCC38500N datasheet provides guidelines for transformer selection, including recommended turns ratios, inductance values, and core materials. Additionally, Texas Instruments offers a transformer selection tool on their website, which can help engineers choose the right transformer for their specific application.
While the datasheet specifies an operating temperature range of -40°C to 125°C, it's essential to consider the device's thermal derating, which can affect its performance at higher temperatures. Engineers should ensure that their design takes into account the thermal constraints and provides adequate cooling to maintain reliable operation.
The UCC38500N has a built-in OVP feature, but it requires external components to function correctly. Engineers can use a voltage divider network and a comparator to detect overvoltage conditions and trigger the OVP circuitry. Texas Instruments provides application notes and design examples to help implement OVP in their designs.
To minimize EMI, engineers should use a combination of filtering techniques, including common-mode chokes, differential-mode chokes, and capacitors. They should also ensure that the PCB layout is optimized for EMI reduction, with careful attention to component placement, routing, and shielding. Texas Instruments provides guidance on EMI filtering in their application notes and design guides.
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
UCC38500N Overview
Use the download button to access the UCC38500N 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.
