ALSO OPERATES IN AMPLITUTDE MODULATION CONTROL TECHNIIQUE
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT/VOLTAGE-MODE
Control Technique:
FREQUENCY MODULATION
Input Voltage-Max:
450 V
Input Voltage-Min:
21 V
Input Voltage-Nom:
25 V
JESD-30 Code:
R-PDSO-G7
JESD-609 Code:
e4
Length:
4.9 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
7
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
5 A
Output Voltage-Max:
24 V
Output Voltage-Min:
3.3 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP7/8,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.75 mm
Supply Voltage-Nom (Vsup):
25 V
Surface Mount:
YES
Switcher Configuration:
BUCK-BOOST
Switching Frequency-Max:
100 kHz
Temperature Grade:
AUTOMOTIVE
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:
3.9 mm
UCC28710D Frequently Asked Questions (FAQs)
A good PCB layout for the UCC28710D involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing loop areas. TI provides a recommended layout in the datasheet and application notes.
Optimizing the compensation network involves selecting the right values for the compensation components (R1, R2, C1, and C2) based on the specific application requirements. TI provides a compensation calculator tool and application notes to help with this process.
The maximum allowed voltage on the VIN pin of the UCC28710D is 28V, but it's recommended to keep it below 24V for reliable operation. Exceeding this voltage can damage the device.
To ensure the UCC28710D operates within its SOA, monitor the device's junction temperature, input voltage, and output current. Use thermal design and layout techniques to keep the junction temperature below 150°C, and ensure the input voltage and output current are within the recommended ranges.
The EN (enable) pin is used to enable or disable the UCC28710D. When EN is high, the device is enabled, and when EN is low, the device is disabled. Use the EN pin to implement power sequencing, fault detection, or other system-level control functions.
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UCC28710D 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.
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