Datasheet

LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
24
69921234fc
Typical applicaTions
Digitally Controlled Duty Cycle with Internal V
REF
Reference Variation Eliminated
Programming N
DIV
Using an 8-Bit DAC
6992 TA03
LTC6992-X
MOD
GND
SET
OUT
V
+
DIV
R
SET
–
+
V
+
1/2
LTC6078
R1
C1
0.1µF
R2
LTC1659
V
OUT
CLK
µP
CS/LD
D
IN
REF
V
CC
GND
V
+
V
+
0.1µF
0.1µF
6992 TA04
LTC6992-X
MOD
GND
SET
OUT
V
+
DIV
R
SET
C1
0.1µF
LTC2630-LZ8V
OUT
SCK µP
CS/LD
SDI
V
CC
GND
2.25V TO 5.5V
C2
0.1µF
DIVCODE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DAC CODE
0
24
40
56
72
88
104
120
136
152
168
184
200
216
232
255
ANALOG PWM
DUTY CYCLE CONTROL
(0V TO 1V)