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CDT3332-25 Datasheet, PDF (3/6 Pages) BOWIN ELECTRONIC CO. – 單個LED 輸出控制IC | |||
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CDT3332-25 P. 3
å®å LED 輸åºæ§å¶ IC
ç¢ååé¡
åè½
Duty
OSC ç©ºæ¥ -- éçæé
CDT3332-25
æ亮
1
24 ç§ ~ 36 ç§
⻠測 è©¦é» å£ï¼ 3VDC
â» é çæ é 容 許 誤差 ï¼ Â±20%
OS 觸ç¼
Retrig
CHIP PAD
12
VD1D LED
3
VSS
4
OS
1200 x 1160μM
åºåº§æ¥ VDD
OSCI OSCO TEST
7
1
6
5
CDT3332-25
1 OS
2 VSS
3 LED
4 VDD
TEST 8
OSCO 7
-- 6
OSCI 5
è
³åº§
1
2
3
4
5
6
7
使ç¨ç¬¦è
VDD
LED
Vss
OS
TS
OSCO
OSCI
åè½èªªæ
é»æºæ£æ¥µ
LED è¼¸åº (è² è¼¸åº)
é»æºè² 極
OS 觸ç¼éé (LOW)
TEST PIN 測試ç¨
調æ´é度ç¨
å¤æ¥ Rosc å å¿«
(1) æ¥ CDS æ§å¶,LED 漸æ»
3VDC
CDS
R1
1015
C1 1K
12
VD1D LED
3
VSS
4
OS
CDT3332-25
OSCI
7
1
OSCO TEST
6
5
Rosc
5.6K
R1, C1 --- å¯èª¿
åèå¼:
R1 == 10K
C1 == 470μF
Rosc 27K 33K 47K 68K 100K 120K 150K 270K 330K 470K 680K 1.0M
åèæéç§ 2.14s 2.44s 3.12s 4.12s 5.1s 5.64s 6.8s 8.9s 9.6s 11.2s 12.9 14.2s
CDT-3332 --- 3
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