NCP690(2009) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP690
(Rev.:2009)
(Rev.:2009)
ON Semiconductor
NCP690 Datasheet PDF : 14 Pages
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NCP690, NCP691, NCP692
IN
N/C
GND
MOSFET
DRIVER WITH
CURRENT LIMIT
THERMAL
SHUTDOWN
ENABLE
LOGIC
R2
R1
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
Figure 5. NCP690 Block Diagram (Fixed Version)
OUT
SNS
IN
EN
GND
MOSFET
DRIVER WITH
CURRENT LIMIT
R2
R1
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
Figure 6. NCP691 Block Diagram (Fixed Version)
OUT
SNS
IN
EN
GND
MOSFET
DRIVER WITH
CURRENT LIMIT
THERMAL
SHUTDOWN
ENABLE
LOGIC
R2
R1
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
Figure 7. NCP692 Block Diagram (Fixed Version)
OUT
SNS
Table 1. PIN FUNCTION DESCRIPTION FOR FIXED VERSION
Pin No.
Pin Name
Description
1, 6
IN
Voltage inputs which supplies the current to the regulator. Both of these pins should be connected
together for full output current capability
2
GND
Power supply ground of the regulator. Connected to the die through the lead frame. Soldered to the
copper plane allows for effective heat removal.
3
EN
For NCP691 and NCP692 this pin functions as Enable Active Low and Enable Active High respect-
ively. For NCP690 this pin has no special meaning and should be left disconnected.
4
OUT
Regulated output voltage
5
SNS
Sense input. This pin should be connected directly to OUT pin.
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