CS235 Datasheet, PDF (5/6 Pages) Cherry Semiconductor Corporation – System Photoelectric Smoke Detector

Application Diagram
CS235
15
R8
36W
Status LED
IR LED
PGnd
4
1nF
C6
5
R12
R9
150k
270k 1nF
R11
C7
150k
6
R12 R13
150k 150k
LED
Driver
+
A1
Gain =20
-
+
A2
-
R6
18k
13
C3
6.8nF
14
Oscillator
Synchronous
Detector
Gate
Power
UP
Clock
Main
Timer
Current
Limit
COMP
CoÐ¥¥un3ter
Output
Latch
R2
1 _75k
R1
17
20M
C1
18
.47mF
16
C2
150mF
2
R7
12M
3
VCC/Output
8
9
11 10
R3
6k
R4
510W
C5
.47mF
R5
100K
C4
.47mF
7
LLGnd
5