NCP690, NCP691, NCP692, NCV8690
IN
MOSFET
DRIVER WITH
CURRENT LIMIT
OUT
ADJ
N/C
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
GND
Figure 8. NCP690, NCV8690 Block Diagram (Adjustable Version)
IN
MOSFET
DRIVER WITH
CURRENT LIMIT
OUT
ADJ
EN
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
GND
Figure 9. NCP691 Block Diagram (Adjustable Version)
IN
MOSFET
DRIVER WITH
CURRENT LIMIT
OUT
ADJ
EN
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
GND
Figure 10. NCP692 Block Diagram (Adjustable Version)
Table 2. PIN FUNCTION DESCRIPTION FOR ADJUSTABLE VERSION
Pin No.
1, 6
2
3
4
5
Pin Name
IN
GND
EN
ADJ
OUT
Description
Voltage inputs which supplies the current to the regulator. Both of these pins should be connected
together for full output current capability
Power supply ground of the regulator. Connected to the die through the lead frame. Soldered to the
copper plane allows for effective heat removal.
For NCP691 and NCP692 this pin functions as Enable Active Low and Enable Active High respect-
ively. For NCP690/NCV8690 this pin has no special meaning and should be left disconnected.
Feedback input. Connect to middle point of resistor divider for Adjustable version.
Regulated output voltage
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