SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
NOT SPECIFIED
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
640 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
NOT SPECIFIED
Width:
4.4 mm
MP4575GF-Z Frequently Asked Questions (FAQs)
A good PCB layout for the MP4575GF-Z should prioritize thermal dissipation. Place the IC near a thermal pad or a heat sink, and ensure good airflow around the component. Use thick copper traces for the power paths and keep the switching node (SW) as short as possible to minimize EMI.
To optimize output voltage accuracy, ensure the feedback resistors (RFBT and RFB) are of high precision (1% or better) and have low temperature coefficients. Also, keep the feedback trace as short as possible and avoid noise coupling into the feedback path.
A low-ESR ceramic capacitor (X5R or X7R) with a value between 4.7µF to 10µF is recommended for the input capacitor (CIN). This helps to filter out input voltage noise and reduce the risk of oscillation.
To minimize EMI, use a shielded inductor, keep the switching node (SW) as short as possible, and use a common-mode choke or ferrite bead on the output. Also, ensure good PCB layout practices, such as separating the power and signal traces, and using a solid ground plane.
The maximum allowed voltage on the EN (enable) pin is 6V. Exceeding this voltage may damage the internal circuitry. Ensure the EN pin is driven by a logic signal with a voltage level compatible with the MP4575GF-Z.
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MP4575GF-Z Overview
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