NCL30083 查看數據表（PDF） - ON Semiconductor
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NCL30083 Datasheet PDF : 35 Pages
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NCL30083
SD
ZCD
CS
GND
Over Voltage
Protection
Over Temperature
Protection
Thermal
Foldback
VTF
Qdrv
Zero Crossing Detection
Aux. Winding
Short Circuit Prot.
VVIN offset_OK
CS_shorted Enable
STOP
VDD
VREF
Aux_SCP
Fault
Management
OFF
UVLO
Latch
VCC Management
Internal
Thermal
Shutdown
Aux_SCP
Ipkmax
VVIN VREF
VCC_max
WOD_SCP
BO_NOK
VCC Over Voltage
Protection
VCC
Valley Selection
offset_OK
S Qdrv
Q
Clamp
Circuit
VVLY
R
Line
Feedforward
VTF STOP VREF
Leading
Edge
Blanking
VVIN
Constant−Current
Control
CS_reset
Ipkmax STOP
Enable VSST STEP_DIM
Max. Peak
Current
Limit
Ipkmax
CS Short
Protection
CS_shorted
STEP_DIM
Winding and
Output diode
Short Circuit
Protection
WOD_SCP
VSST
Soft−Start
Enable
VVIN
Step
Dimming
Brown−Out
BO_NOK
VCC
DRV
SS
VIN
Figure 2. Internal Circuit Architecture
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