Datasheet

DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Master
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Slave 1
Vcc
GND
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Slave 2
Vcc
GNDGND
GND
V
RAIL
Interface to PWM
dimming signal sources
(Vout from AC/DC converter)
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Master
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Slave 1
Vcc
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Slave 2
Vcc
GND
V
RAIL
(Vout from AC/DC converter)
Vcc
VDIM01
VDIM23
VDIM4
VDIM5
DC voltages
controlling average
LED currents (PWM)
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Master
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Slave 1
Vcc
NC
DIM01
DIM23
DIM4
DIM5
VLedFB
MODE
SYNC
CLKOUT
LM3463 Slave 2
Vcc
NC
SDAT
SCLK
LOAD
GND
NC
GND
V
RAIL
Interface to MCU/
external logic control
circuit
(Vout from AC/DC converter)
LM3463
www.ti.com SNVS807A –MAY 2012–REVISED MAY 2013
Serial Data Interface
DC Voltage Dimming Control Interface
Direct PWM Diming Control Interface
Figure 36. Connect diagram for cascade operations in different modes of dimming control
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