Rainbow Electronics MAX16822B - Manual (Page 6)

MAX16822A/MAX16822B
2MHz, High-Brightness LED Drivers with
Integrated MOSFET and High-Side Current Sense
6 _______________________________________________________________________________________
V CC
REGULATOR
LX
IN
CS
DIM
TEMP_I
V
FTBON_THR
2V
PGND
GND
CURRENT-SENSE
COMPARATOR
PWM
DIMMING
0.85 Ω, 65V
DMOS SWITCH
UVLO
COMPARATOR
THERMAL
FOLDBACK
COMPARATOR
BANDGAP
REFERENCE
DIM
BUFFER
V
CC
_ANA
V CC _ANA
V CC _ANA
I SET
25 μA
1.23V
GATE
DRIVER
MAX16822A
MAX16822B
Figure 1. Internal Block Diagram