Rainbow Electronics MAX16831 - Manual (Page 16)

MAX16831
High-Voltage, High-Power LED Driver with
Analog and PWM Dimming Control
16 ______________________________________________________________________________________
BLANKING
TIME
40ns
200Hz
SGND
7V
REG2
HI
COMP
UVLO
AND
EN
DGT
FB
DRIVER
UVEN
DIM
DRV
SNS-
PWM
EAMP
+
-
COMP
+
-
OVP
LO V CC
5V
REG1
POR
EN
REF
V OV
+
-
V BUF
DDR
QGND
REG1
DRI
CLMP
SS
ILIM
+
-
-
200mV
HIC
+
-
-
300mV AGND
200mV
SLOPE
OV
V OV X1
CS- CS+
+
CSA
REG2
SNS+
CLMP
3.0V
R LS
CS
UGB
CMP
+
-
1.3 x V
SS
OSC
RTSYNC
CLKOUT
OSC
OV
OC
CONTROL
BLOCK
SLOPE
COMP
SLOPE
TRI
10uA
V CLMP
INTERNAL
TRIM
V CLMP
V CLMP
V LO
V LO
THERMAL
SHUTDOWN
V
SS
- +
600mV
+ -
MAX16831
-
Functional Diagram