SC2443MLTRT(2007) View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC2443MLTRT
(Rev.:2007)

Dual-Phase Single or Two Output Synchronous Step-Down Controller

Semtech Corporation 

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.

10) 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 .

SC2443

14

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