LTC6992-4 Linear Technology, LTC6992-4 Datasheet - Page 29

• Manufacturer Part Number: LTC6992-4
• Description: TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
0V TO 1.65V
–
+
V
5V
DIMMING
LT6004
10k
R1
R4
7.5k
R3
10k
V
REF
–
+
7.5k
5V
R2
LT6004
V
Wide Range LED Dimming (0 to 85000 Cd/m
R
61.9k
SLOW
R
124k
SET1
SET2
V
FAST
MOD
GND
SET
MOD
GND
SET
5–100%
N
f = 12.6kHz
0–100%
N
f
OUT
LTC6992-4
LTC6992-1
DIV
DIV
= 100kHz
= 64
= 4096
OUT
OUT
DIV
DIV
V
V
+
+
CONTROLS 6000 TO 85000
CONTROLS 0 TO 6000
Cd/m
Cd/m
R
1M
R
280k
R
1M
R
681k
6992 TA13
SLOW PWM
DIV1
DIV2
DIV3
DIV4
FAST PWM
2
2
BRIGHTNESS
BRIGHTNESS
C4
0.1μF
C1
0.1μF
5V
5V
LTC6992-1/LTC6992-2/
2
LTC6992-3/LTC6992-4
Brightness)
A1
PWM
3.3V
3.3V
IN
LT3518UF
PV
5V
LUMILEDS LXHL-BW02
IN
LED
www.DataSheet4U.com
+
D1
D2
29
69921234p