MAX16822A_10 Datasheet, PDF (6/10 Pages) Maxim Integrated Products – 2MHz, High-Brightness LED Drivers with Integrated MOSFET and High-Side Current Sense

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