MAX16836 Datasheet, PDF (10/11 Pages) Maxim Integrated Products – High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator

High-Voltage, 350mA, High-Brightness LED
Driver with PWM Dimming and 5V Regulator
Multichannel HB LED Driver
Figure 8 shows an array of MAX16836s with independent
DIM control. The MAX5094C, a current-mode PWM
controller, provides the input power to each LED driver
preregulated voltage to multiple MAX16836 drivers.
VIN
CREF
C2
CCOMP
RCOMP
REF
VCC
MAX5094C
COMP
OUT
FB
GND
CT/RT
CS
CT
L1
D1
C3
IN
OUT
IN
OUT
IN
OUT
R3
U2
U4
U3
LEDs
LEDs
LEDs
Q1
C4
EN MAX16836 V5
C7
C6
EN MAX16836 V5
C11
C10
EN MAX16836 V5
C9
C8
DIM
CS+
DIM
CS+
DIM
CS+
R5
R7
R6
R4
GND
CS-
R2
GND
CS-
GND
CS-
Figure 8. Multichannel HB LED Driver for LCD Backlight
Typical Operating Circuit
PROCESS: BiCMOS
Chip Information
VDIM
VIN
C1
16 15 14 13
OUT EN N.C. DIM
1 OUT
GND 12
2 IN
3 IN
MAX16836
V5 11
CS- 10
4 N.C.
CS+ 9
N.C. N.C. N.C. N.C.
5
6
7
8
D1
C2
RSENSE
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
16 TQFN
T1655-3
21-0140
10 ______________________________________________________________________________________