SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
500 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
40
Width:
4.4 mm
A8584KLPTR-T Frequently Asked Questions (FAQs)
Allegro recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to ensure good heat dissipation. A minimum of 1 oz copper thickness is recommended.
To ensure accurate current sensing, it's essential to follow proper PCB layout guidelines, use a low-impedance current sense resistor, and minimize noise coupling. Additionally, Allegro recommends using a Kelvin connection to the sense resistor to reduce errors.
Although the datasheet specifies a recommended VCC voltage range of 5.5 V to 3.3 V, Allegro recommends not exceeding 5.5 V to ensure reliable operation and prevent damage to the device.
While the A8584KLPTR-T is rated for operation up to 150°C, Allegro recommends derating the device's performance and ensuring proper thermal management to prevent overheating. Consult Allegro's application notes for guidance on high-temperature operation.
To troubleshoot output voltage regulation issues, check the input voltage, output load, and PCB layout. Ensure that the input voltage is within the recommended range, the output load is within the specified current limit, and the PCB layout follows Allegro's guidelines. Consult Allegro's application notes for detailed troubleshooting procedures.
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Manufacturer Collaborated
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System Verified
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A8584KLPTR-T Overview
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