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:
0.65 mA
Supply Voltage-Max:
15 V
Supply Voltage-Min:
4 V
Supply Voltage-Nom:
14 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
COMMERCIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Turn-off Time:
0.07 µs
Turn-on Time:
0.07 µs
Width:
3 mm
UCC37321DGNR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the application note SLUA433, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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. The application note SLUA433 provides more detailed guidance on input capacitor selection.
The maximum ambient temperature for the UCC37321DGNR is 85°C, as specified in the datasheet. However, the device can operate up to 125°C junction temperature, and the ambient temperature should be derated accordingly based on the thermal resistance of the package and the PCB.
Yes, the UCC37321DGNR is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive grade devices, and is also suitable for industrial and medical applications that require high reliability.
Texas Instruments provides a troubleshooting guide in the application note SLUA433, which covers common issues and their solutions. Additionally, the TI E2E community forum is a valuable resource for seeking help from experienced engineers and TI experts.
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UCC37321DGNR 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.
