Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
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Solutions Investigated<br />
• Polymer-based Positive Temperature Coefficient (PPTC)<br />
fuse.<br />
resettable<br />
low power consumption<br />
small footpr<strong>in</strong>t<br />
resistance is higher than wire fuse<br />
max operat<strong>in</strong>g temperature ~85 deg C<br />
max operat<strong>in</strong>g current ~11A<br />
PPTC Resettable fuse<br />
• Current-limit<strong>in</strong>g IC.<br />
resettable<br />
feedback signal for closed loop control<br />
fast response<br />
high cost<br />
sensitive to voltage fluctuation<br />
susceptible to program <strong>in</strong>terference<br />
Custom Current-limit<strong>in</strong>g IC<br />
KWLow/Zamel <strong>BiTS</strong> 2002 10
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