SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
0.8 mm
Supply Voltage-Max (Vsup):
15 V
Supply Voltage-Min (Vsup):
9.6 V
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
1000 kHz
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.8 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4 mm
LM5033SDX/NOPB Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as keeping the input and output traces short and away from each other, using a solid ground plane, and minimizing vias and thermal reliefs.
The LM5033SDX/NOPB has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB. Ensure good thermal conductivity by using a thermal interface material (TIM) and a heat sink if necessary. Also, follow the recommended PCB layout and keep the device away from heat sources.
The datasheet doesn't specify a maximum allowed input voltage ripple, but as a general rule, it's recommended to keep the input voltage ripple below 1% of the nominal input voltage to ensure stable operation and minimize output voltage ripple.
The LM5033SDX/NOPB is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. Ensure the device is properly thermally managed, and consider derating the output current and voltage according to the datasheet's thermal derating curves.
Start by checking the input voltage, output voltage, and output current to ensure they are within the recommended operating ranges. Verify the PCB layout and thermal management are correct. Use an oscilloscope to check for output voltage ripple and noise. Consult the datasheet and application notes for troubleshooting guides and consider contacting Texas Instruments' support team for further assistance.
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LM5033SDX/NOPB 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.
