
MAX16814
Integrated, 4-Channel, High-Brightness LED
Driver with High-Voltage DC-DC Controller
V IN
4.75V TO 40V
T1
(1:1)
D1
C1
UP TO 40V
N
R1
C2
R SCOMP
R CS
R2
IN
EN
V CC
NDRV
CS
OVP
OUT1
OUT2
C3
R5
MAX16814
OUT3
C4
DRV
OUT4
SETI
R SETI
V CC
DIM
COMP
FLT
RSDT
R3
R COMP
C COMP
SGND
PGND
LEDGND
RT
R T
R4
Figure 6. Coupled-Inductor Boost-Buck Configuration
MAX16814
1.23V
SETI
R SETI2
R SETI
V C
Figure 7. Analog Dimming with External Control Voltage
22
Maxim Integrated