NCP4681(2011) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP4681 Datasheet PDF : 18 Pages
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NCP4681, NCP4684
VIN
VOUT VIN
Vref
Vref
Current Limit
CE
CE
GND
Current Limit
NCP4681Hxxxx
NCP4681Dxxxx
VOUT
GND
VIN
VOUT
Vref
Current Limit
NC
GND
NCP4684xxxx
Figure 2. Simplified Schematic Block Diagram
PIN FUNCTION DESCRIPTION
Pin No.
XDFN0808*
Pin No.
SC−70
Pin No.
SOT23
Pin Name
Description
1
4
5
VOUT
Output pin
2
3
2
GND
Ground
3
1
3
CE/NC
Chip enable pin (Active “H”) / No connection (NCP4684)
4
5
1
VIN
Input pin
−
2
4
NC
No connection
*Tab is GND level. (They are connected to the reverse side of this IC.
The tab is better to be connected to the GND, but leaving it open is also acceptable.
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