SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.1 mm
Supply Current-Max:
3.8 mA
Supply Voltage-Max:
18 V
Supply Voltage-Min:
4.5 V
Supply Voltage-Nom:
12 V
Supply Voltage1-Max:
18 V
Supply Voltage1-Min:
4.5 V
Supply Voltage1-Nom:
12 V
Surface Mount:
YES
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Turn-off Time:
0.027 µs
Turn-on Time:
0.027 µs
Width:
3 mm
UCC27524ADGNR Frequently Asked Questions (FAQs)
A good PCB layout for the UCC27524ADGNR involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance.
To ensure proper thermal management, ensure good airflow around the device, use a heat sink if necessary, and follow the recommended thermal pad layout and thermal interface material guidelines. The device's thermal pad should be connected to a solid ground plane to help dissipate heat.
When selecting the input capacitor (CIN), consider the voltage rating, capacitance value, and equivalent series resistance (ESR). A low-ESR capacitor with a voltage rating above the maximum input voltage and a capacitance value that meets the recommended range (e.g., 10-22 μF) is recommended.
Optimize the output capacitor (COUT) selection by considering the output voltage ripple requirement, output current, and capacitor characteristics such as capacitance value, voltage rating, and ESR. A low-ESR capacitor with a voltage rating above the output voltage and a capacitance value that meets the recommended range (e.g., 10-47 μF) is recommended.
When selecting the inductor (L), consider the inductance value, current rating, and core material. A shielded inductor with a low core loss and a current rating above the maximum output current is recommended. The inductance value should be within the recommended range (e.g., 1-10 μH) to ensure stable operation.
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UCC27524ADGNR 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.
