SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Supply Current-Max:
100 mA
Supply Voltage-Max:
20 V
Supply Voltage-Min:
8.5 V
Supply Voltage-Nom:
12 V
Surface Mount:
YES
Temperature Grade:
INDUSTRIAL
Terminal Finish:
NICKEL PALLADIUM GOLD
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Turn-off Time:
0.11 µs
Turn-on Time:
0.048 µs
Width:
4.4 mm
UCC27221PWP Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the application note SLUA623, 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 of at least 1.5 times the maximum input voltage, and a capacitance value of 10-22 μF. Additionally, consider the capacitor's ESR, ripple current rating, and temperature rating.
The maximum junction temperature (Tj) of the UCC27221PWP is 150°C. However, it's recommended to keep the junction temperature below 125°C for reliable operation and to ensure a long lifespan.
Yes, the UCC27221PWP is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is also suitable for industrial and medical applications that require high reliability.
To troubleshoot issues with the UCC27221PWP, start by checking the PCB layout, component values, and soldering quality. Use an oscilloscope to measure the input and output voltages, and check for signs of oscillations or instability. Consult the datasheet and application notes for guidance on troubleshooting and debugging techniques.
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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.
