Datasheet

LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
29
69921234fc
Typical applicaTions
Wide Range LED Dimming (0 to 85000 Cd/m
2
Brightness)
6992 TA13
LTC6992-4
MOD
GND
SET
OUT
V
+
DIV
R
DIV1
1M
R
DIV2
280k
5V
5V
LT6004
R
SET1
61.9k
+
–
5V
LT6004
+
–
R3
10k
V
REF
V
FAST
R4
7.5k
V
DIMMING
0V TO 1.65V
V
SLOW
R2
7.5k
R1
10k
5–100%
N
DIV
= 64
f = 12.6kHz
0–100%
N
DIV
= 4096
f
OUT
= 100Hz
SLOW PWM
CONTROLS 0 TO 6000
Cd/m
2
BRIGHTNESS
FAST PWM
CONTROLS 6000 TO 85000
Cd/m
2
BRIGHTNESS
C4
0.1µF
LTC6992-1
MOD
GND
SET
OUT
V
+
DIV
R
DIV3
1M
R
DIV4
681k
5V
3.3V 5V
R
SET2
124k
C1
0.1µF
3.3V
IN
PV
IN
PWM
A1
D1
D2
LUMILEDS LXHL-BW02
LT3518UF
LED
+
0.1µF