SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.07 mm
Supply Current-Max:
0.45 mA
Supply Voltage-Max:
15 V
Supply Voltage-Min:
4.5 V
Supply Voltage-Nom:
14 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
NICKEL PALLADIUM GOLD SILVER
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Turn-off Time:
0.05 µs
Turn-on Time:
0.04 µs
Width:
3 mm
UCC27323DGNRG4 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the UCC27323 application note (SLUA623). It's essential to follow the guidelines for component placement, trace routing, and thermal management to ensure optimal performance, low EMI, and high reliability.
The input capacitor selection depends on the input voltage, output voltage, and switching frequency. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 1uF to 10uF. X5R or X7R ceramic capacitors are recommended for their low ESR and high reliability.
The UCC27323 has a maximum ambient temperature rating of 85°C (185°F). However, the device's junction temperature (TJ) should not exceed 150°C (302°F) for reliable operation. Ensure proper thermal management, such as heat sinking and airflow, to keep the device within the recommended temperature range.
Yes, the UCC27323 is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade and is manufactured using a high-reliability process. However, ensure that your specific application meets the required standards and regulations.
To troubleshoot issues with the UCC27323, start by verifying the PCB layout, component selection, and input/output connections. Check for proper decoupling, filtering, and thermal management. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the UCC27323 datasheet, application notes, and Texas Instruments' support resources for guidance.
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UCC27323DGNRG4 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.
