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CDT3400 Datasheet, PDF (1/8 Pages) BOWIN ELECTRONIC CO. – 3 LED 多段式輸出控制IC | |||
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Chip Design Technology
Inc.
91 å¹´ 11 æ 18 æ¥
CDT3400
P. 1
3 LED å¤æ®µå¼è¼¸åºæ§å¶ IC
â 使ç¨èªªæ
CDT3400 æ¯ä»¥å¯ç¨å¼åè¨è¨æ¹å¼æ¹è® LED
éåè®åçå°ç¨ IC.
3 å LED 輸åºï¼ä»¥èªååæææéµå±ç¾åº
ä¸å½©éçï¼æ¼¸æ漸æåè®éçåè½ã
LED éåçæ¹å¼å¯ä»¥ç´æ¥ç¨å¼åå¨ IC å
§é¨,
å¦æ¤å¯ä»¥è¨å® LED å種éåçæ¹å¼è¼¸åº,
ä¿®æ¹ä¸å±¤å
罩å³å¯.
â»å¯æ¹è®å
罩ä¾è®åéçæ¹å¼:
A. 5 段 LED èªå循ç°éåæ¹å¼
B. å¯ä»»é¸ 1 ~ 5 段é£çºè¼¸åº
C. å¯é¸é£çºè¼¸åºææ段輸åºæ¹å¼
D. å¯å
§å®é »ç
â ç¹ æ§
CMOS 製é æè¡
å·¥ä½é»å£ç¯å: 1.50 ~ 5.00VDC
LED 輸åºé»æµ > 25mA (@VDD=3V)
3 å LED è¼¸åº - 輸åºæ¹å¼: è² è¼¸åº
å
§å®æ¯çªé»é» â å
§å®éåé »ç
å¯å¤æ¥é»é»å å¿«, é»å®¹æ¸æ
¢
POWER ON = Option
å¯ä»»é¸
1. é£çºè¼¸åº
2. é¸æ段輸åº
3. One-Shot 輸åº
å¯ä»»é¸æ®µæ¸é£çºè¼¸åº
å段å¯å¡« 3 段å¼è®é輸åº
â æç¨ç·è·¯
3VDC
KEY
S5
S4
S3
S2
S1
OFF
AUTO
R1 R2 R3
VSS
TEST L3 L2 L1
VDD
KEY
OSCO
S5
CDT3400
IC åºåº§æ¥ VDD
S4 1680 X 1680 μM OSCI
S3
S2 S1 OFF AUTO
â 使ç¨åè½èªªæ:
1. Power on â OFF, åè½éµ: å¯ä»»é¸ S1,S2,S3,S4,S5 æ¥ VDD 顯示該段åè½
2. é¸æ段輸åº(æ OFF 段)æ: OFF pin 空æ¥, å Power ON æ OFF, æ KEY 循ç°è¼¸åº.
3. é¸æ段輸åº(ç¡ OFF 段)æ: OFF pin æ¥ VDD, Power ON æ第ä¸æ®µ, æ KEY 循ç°è¼¸åº,
4. é¸é£çºè¼¸åº(ç¡ OFF 段)æ: å° AUTO å OFF pin çæ¥ VDD, å¦æ¤ Power ON æå¾ç¬¬
ä¸æ®µèªå循ç°è¼¸åº, æ¤æ KEY ç¡æ
5. å
§å»ºé »ç, å¤æ¥é»é»å¯å å¿«, å å種 LED èé»æµä¸å, å¯å R1, R2, R3 ç¶éæµç¨
CDT-3400 --- 1
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