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NCL30170 Datasheet(PDF) 2 Page - ON Semiconductor

Part # NCL30170
Description  Direct AC Drive LED Driver
PDF  12 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCL30170 Datasheet(HTML) 2 Page - ON Semiconductor

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NCL30170
www.onsemi.com
2
AC Input
FB
VIN
OUT
GND
HV
BLD
DIM
VDD
Option for
Phase−cut
dimming
CS
NC
ADIM signal
Option for
Analog dimming
Option for
Phase−cut dimming
Figure 1. Application Schematic
HV
VDD
BLD
CS
FB
VIN
DIM
10 uA
10
9
5
4
6
1
7
GND
3
OUT
8
VDIM (SB)
SB
(Standby)
VDD.ON
16 V / 8 V
SB
VVIN (TH )
0.3/0.15 V
VIN.TH
NC
2
VDD ref.
generator
VCS(SHA −REF )
generator
BLD
controller
VIN.TH
CS
FB
adjustment
OTA
Mode
detector
VIN over voltage
protection
Thermal shutdown
Sensing Resistor Short
Protection
VIN.TH
DIM
VCS(AVG −REF )
VCS(SHA −REF )
Voltage
Amplifier
VCS(SHA −MAX)
VCS(AVG −REF )
generator
VCS(SHA −MAX )
generator
CS
TJ
RESET
1uA
DIM
VIN.TH
Figure 2. Simplified Block Diagram



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