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SC2443 Datasheet(PDF) 14 Page - Semtech Corporation

Part # SC2443
Description  Dual-Phase Single or Two Output Synchronous Step-Down Controller
PDF  22 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2443 Datasheet(HTML) 14 Page - Semtech Corporation

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SC2443
4
Applications Information (continued)
ground should be minimized.
7) Solder the bias decoupling capacitor right across the
AVCC and analog ground AGND.
8) Place the inductor DCR sense components away from
the power circuit and close to the corresponding CS+
and CS- pins. Use X7R type ceramic capacitor for the DCR
sense capacitor because of their temperature stability.
9) Use an isolated local ground plane underneath the
controller and tie it to the negative side of output capacitor
bank.
0) Comp pin is sensitive to noise. Place compensation
network components away from noise signal (i.e. gate
driver signals, phase node) and close to corresponding
Comp pin .



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