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CDT3206-3 Datasheet, PDF (1/2 Pages) BOWIN ELECTRONIC CO. – 燈泡亮度控制+低電壓偵測 IC | |||
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å
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Chip Design Technology
Inc.
89 å¹´ 3 æ 8 æ¥
CDT3206-3
P. 1
ç泡亮度æ§å¶+ä½é»å£åµæ¸¬ IC
â IC å è½
A. IC -- CDT3206-03
1.SEC1ï¼OFF
2.SEC2ï¼L1 â å
¨äº® â æ£è¼¸åºï¼æ¥ 8050 æ¨ç泡
3.SEC3ï¼L1 â å亮
B. LED ä½é»å£æ示 + ä½é»å£åµæ¸¬
3VDC
ä½é»å£æ示 LED
OSCI
OSCO
VIN
VINI
VREF
VREFI
VDD
OPT1
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
CDT3206-3
TRIG
LED
L3
L2
L1
OPT3
VSS
OPT2
ç泡
R1
R3 150K
680K 390K
R2
104
D1 1N
KEY
4148
3
L3
4 LED
2
L1 1
L2
OPT3 17
5 KEY CDT3206-3 VSS 16
6 OSCI
OPT2 15
7 OSCO
OPT1 14
- - 13
VIN - - VREF - - VDD
8
9
10
11
12
D965
NPN
120K
(1). 2.4 V X
= 0.36V
680K + 120K
â»å
æ±ºå® R1=680K, R3=390K -- å調 R2
2.4V æ R2 = 120K, åèç¨!
(2). ä¸ä½é»å£åµæ¸¬æ â VIN, VREF æ¥ VSSã
(3). ç±æ¼ç泡éçæ¬èº«æ帶 DUTY, 建è°å 104 é»å®¹ã
CDT-3206-3 --- 1
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