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| FAN7346 Datasheet, PDF (16/19 Pages) Fairchild Semiconductor – 4-Channel LED Current Balance Controller | |||
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Typical Application Circuit (Lighting) (Continued)
Application
LED Lighting
Device
FAN7346
Input Voltage Range
380V
LED String
4-String
R129
VAUX
Q104
C123 TM2 D201
C201 C202 C203
VLED
RS8
R131 R123 R132
R128
C115
R133
D202
CS6
RS10
R130
D107
Q103
U102
LVCC
VDL
D109
HVCC
RT
C124
R201
D203
U201
C204
R203
C206 C205
R136 R135 R134 C126
PC101
C127 C114
C125 R127
AR
CS
SG
R126
VCTR
C116
PG
R202 D204
RS13
CS9
CMP
CS8
Fault
Q1
Q2
Q3
Q4
IC1
VDD
RS12
RS19
RS27
RS20
RS28
RS21
RS24
CS17
PC101
Figure 33. LED Lighting Driver
CS14
CS15
CS12 CS16
© 2011 Fairchild Semiconductor Corporation
FAN7346 ⢠1.0.0
16
www.fairchildsemi.com
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