SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
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
Technology:
BICMOS
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:
0.023 µs
Turn-on Time:
0.023 µs
Width:
3 mm
UCC27524DGNR Frequently Asked Questions (FAQs)
A good PCB layout for the UCC27524DGNR 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 loops. TI provides a recommended layout in the application note SLUA623.
The input capacitor should be chosen based on the input voltage ripple requirement, output current, and operating frequency. A general guideline is to use a capacitor with a capacitance value of at least 10uF, a voltage rating of 1.5 to 2 times the input voltage, and a low ESR (equivalent series resistance).
The UCC27524DGNR is capable of delivering up to 2A of output current, but this can be limited by the thermal performance of the package and the PCB design. It's essential to ensure proper thermal management and heat sinking to achieve the maximum output current.
The UCC27524DGNR has a SYNC pin that allows synchronization with an external clock signal. To synchronize, connect the external clock signal to the SYNC pin, and ensure the clock frequency is within the recommended range of 100 kHz to 1 MHz.
The EN (enable) pin is used to enable or disable the UCC27524DGNR. When the EN pin is high, the device is enabled, and when it's low, the device is disabled. This pin can be used to implement power sequencing, shutdown, or low-power modes.
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UCC27524DGNR 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.
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