ALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT/VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
20 V
Input Voltage-Min:
11 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:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
0.1 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):
35 mA
Supply Voltage-Max (Vsup):
29 V
Supply Voltage-Min (Vsup):
10.75 V
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
300 kHz
Technology:
BIPOLAR
Temperature Grade:
INDUSTRIAL
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
UC2879DWG4 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended layout and PCB design guide in the application note SLUA271A, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The UC2879DWG4 datasheet provides a detailed component selection guide, including formulas and recommendations for transformer design, output filter components, and snubber circuits. Additionally, Texas Instruments offers online tools and calculators to aid in component selection.
The UC2879DWG4 has a high power density, so thermal management is crucial. Ensure good airflow, use a heat sink with a thermal resistance of ≤ 10°C/W, and follow the recommended PCB layout and thermal pad connection guidelines. Monitor the junction temperature (TJ) and adjust the heat sink design accordingly.
The UC2879DWG4 has a built-in overcurrent protection feature. Implement a sense resistor (RS) in the output stage and connect it to the CS pin. The IC will shut down if the current exceeds the programmed limit. Additionally, monitor the FAULT pin for fault detection and implement a suitable reset circuit.
Texas Instruments provides a detailed test and measurement procedure in the application note SLUA271A, including setup guidelines, measurement techniques, and safety precautions. Ensure proper equipment calibration, use a suitable oscilloscope probe, and follow the recommended measurement points.
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UC2879DWG4 Overview
Use the download button to access the UC2879DWG4 schematic symbol, PCB footprint, and 3D model.
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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.
