LT3598
8
3598fb
BLOCK DIAGRAM
3598 F01
T
SET
CTRL
V
REF
PWM
Q1
–
+
–
+
–
+
OPENLED DETECTION
OPENLED
LED1
LED2
LED3
LED4
LED5
LED6
R
V
O_SW
V
OUT
LED
DISABLE
DETECTION
FB
GND
GND
I
SET
SS
SWSYNCRT
V
IN
SHDN
–
+
LED g
m
0.8V
OVP g
m
A3
A1
V
C
–
+
V
OUT
PWM DIMMING
LOGIC
SLOPE
OSCILLATOR
1.230V
REF
3
S
Q
A2
V
PTAT
LED
DRIVE
CIRCUITRY
Figure 1. Block Diagram
