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-PDSO-G20
JESD-609 Code:
e4
Length:
12.8 mm
Moisture Sensitivity Level:
2
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):
260
Qualification Status:
Not Qualified
Seated Height-Max:
2.65 mm
Supply Current-Max (Isup):
4 mA
Supply Voltage-Max (Vsup):
18 V
Supply Voltage-Nom (Vsup):
12 V
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
200 kHz
Technology:
BICMOS
Temperature Grade:
COMMERCIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
7.5 mm
UCC38500DW Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the UCC38500DW evaluation module (EVM) user's guide, which includes guidelines for component placement, trace routing, and thermal management. Following this layout can help minimize noise, reduce electromagnetic interference (EMI), and ensure reliable operation.
The UCC38500DW datasheet provides guidelines for selecting external components, including the transformer and output filter. Additionally, Texas Instruments offers online tools, such as the Power Stage Designer (PSD) and the Transformer Design Tool, which can help engineers select and design optimal external components for their specific application.
The UCC38500DW has a maximum junction temperature (TJ) of 150°C. To ensure reliable operation, engineers should follow proper thermal management practices, such as using a heat sink, thermal interface material, and ensuring good airflow. The UCC38500DW datasheet provides thermal resistance values and guidelines for thermal management.
The UCC38500DW has built-in OVP and UVP features, which can be enabled using external resistors and capacitors. The datasheet provides a detailed description of how to implement OVP and UVP, including the required component values and connections.
The UCC38500DW is designed to meet EMC standards, such as CISPR 22 and EN 55022. To ensure compliance, engineers should follow proper PCB layout and design practices, use shielding and filtering components, and perform EMC testing and certification. Texas Instruments provides EMC guidelines and resources on their website.
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UCC38500DW 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.
