MAX16838_11 Datasheet, PDF (19/21 Pages) Maxim Integrated Products – Integrated, 2-Channel, High-Brightness LED Driver with High-Voltage Boost and SEPIC Controller

Integrated, 2-Channel, High-Brightness LED Driver
with High-Voltage Boost and SEPIC Controller
Pin Configurations
TOP VIEW
NDRV 1
DRV 2
VCC 3
IN 4
EN 5
20 19 18 17 16
+
MAX16838
*EP
15 COMP
14 RT
13 OUT1
12 LEDGND
11 OUT2
6 7 8 9 10
*EXPOSED PAD
TQFN
+
DRAIN 1
20 CS
GATE 2
19 DIM
PGND 3
18 COMP
NDRV 4 MAX16838 17 RT
DRV 5
16 OUT1
V_CC 6
15 LEDGND
IN 7
14 OUT2
EN 8
13 FLT
SGND 9
12 ISET
CFB 10
*EP 11 OV
TSSOP
Typical Operating Circuit
4.75V TO 40V
L
CIN
D
R2OV
COUT
R2EN
R1EN
CVCC
RDRV
CDRV
CCOMP
RCOMP
R1OV
LED
STRINGS
IN
EN
CFB
V_CC
DRV
DRAIN OV
NDRV
GATE
OUT1
OUT2
MAX16838
RISET
ISET
DIM
COMP
SGND
FLT
CS
RT
PGND LEDGND
RRT RCS
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