Vin
EN
SI
GND
NCV8667
RSI1
Driver with
Current
Limit
Thermal
Shutdown
Vref
RSI2
Enable
V ref
TIMING
CIRCUIT
and
RESET
OUTPUT
DRIVER
and
SENSE
OUTPUT
DRIVER
Vout
** **
RO
SO
DT
*
*Pull−down Resistor (~150 kW) active only in Reset State.
** 5 V option only.
Figure 3. Simplified Block Diagram of NCV8667yz (z is 1, 2, 3, … , n)
(Preset Early Warning Threshold options)
Vin
EN
SI
GND
Driver with
Current
Limit
Thermal
Shutdown
Vref
Enable
V ref
TIMING
CIRCUIT
and
RESET
OUTPUT
DRIVER
and
SENSE
OUTPUT
DRIVER
Vout
** **
RO
SO
DT
*
*Pull−down Resistor (~150 kW) active only in Reset State.
** 5 V option only.
Figure 4. Simplified Block Diagram of NCV8667y0
(Adjustable Early Warning Threshold options)
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3