Datasheet

10 Maxim Integrated
High-Voltage HB LED Drivers with
Integrated High-Side Current Sense
MAX16833/MAX16833B–MAX16833D
MAX16833B/MAX16833D Functional Diagram
MAX16833B
MAX16833D
IN
CS
REF
ICTRL
ISENSE+
ISENSE-
PWMDIM
OVP
RT/
SYNC
V
CC
V
CC
NDRV
PGND
RESET
DOMINANT
PWM
COMP
MAX
DUTY CYCLE
S
R
Q
S
R
Q
UVLO
UVLO
RT OSCILLATOR
SLOPE
COMPENSATION
1.64V (80µA)
REFERENCE
CS/PWM
BLANKING
0.42V
6.15
6.15 x 0.3V
1µs DELAY
8192 x t
OSC
HICCUP TIMER
V
ISENSE+
- 7V
ISENSE+
SYNC
BUCK-BOOST
SHORT DETECTION
TSHDN
SGND
FLT
DIMOUT
COMP
V
BG
3.3V
VBG
3MI
GM
V
BG
LPF
MIN
OUT
2V
THERMAL
SHUTDOWN
LVSH
TSHDN
5.7V
5V
5V V
BG
5V REG BG
7V LDO
200kI