NCP4561 데이터 시트보기 (PDF) - ON Semiconductor
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NCP4561 Datasheet PDF : 16 Pages
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NCP4561
Typical Applications
The following figure portrays the typical application of the NCP4561.
Dropout
Charge
Input
SW*
+
C3
1.0 mF
On/Off
NCP4561
R1
100 k
Output
+
C2
1.0 mF
*Enables the IC When Closed
Figure 10. A Typical Application Schematic
PCB Layout Considerations
As for any low noise designs, particular care has to be
taken when tackling Printed Circuit Board (PCB) layout.
The figure below gives an example of a layout where stray
inductances/capacitances are minimized. This layout is the
basis for the NCP4561 performance evaluation board. The
BNC connectors give the user an easy and quick evaluation
mean.
ON SEMICONDUCTOR
NCP4561 EVALUATION BOARD
DROPOUT
+
+
OUT
IN
_
_
ON Semiconductor
NCP4561 EVALUATION BOARD
OUT
OFF
ON
IN
ON/OFF
Figure 11. PCB Layout
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