1ȡʽ紫ĹԭǴܷⷢ⣬ݷĺǿ ȴСģʱĹ   ڰIJλ ͷ⣬չܲЧĽֹͱﵽĿġѡ㡢װʹ ؽһǽչ빤ֹͱ
    2 ʹй紫ǰ뱻 ƽУתЧ ߡ
    3ǰ뷴ľ뱣ڹ涨ķΧڡ
    4紫 밲װûǿֱ䴦ǿеĺ⽫Ӱչ
    5ĺⷢ ĵ210mA֮ʱ ǿѣڵȡֵ һ㲻Χ ȡֵ̫ܵĹ ˥Ҳʱ乤Ӱ ȡֵ̫Сһ  ½ǶԽչܵҪϡ
    6ʱ乤ʱչܵ Ӧ250A
    7װʱ紫ŸС 벻 С5mm򺸽ʱ  ооܵı仯
    8紫ھĹѹ״̬IJ ѡ񷽷 ʵļѡȡ紫 ͺš
װô ȡ־5Vѹ¸ݸŴⷢĹѡȡ R1 (ⷢѹڣ11.3 V)չR2ȡһֵAB֮ĵѹ 紫׼ ɫ־ABĵѹӦ 0.30.6V֮䣬ʱ 紫Ĺ״ ̬ѣABѹС0.3VR2ֱֵҪABѹ0.6V෴ڹ ޺ɫ
ABĵѹ4.5Vɡ

 עڲѹĵѹ ܵĸR2 Ƚϱ 㹻󣬷 (رUABϴʱ)

       

                                                                                      

 

Ӧõ·

     紫͵· ±  Vcc=5VȡֵԴѹʱĵȡֵ5VԴʱ ֵܱܵ͵ ֵ㣬ʱܵѹVF=1.2V   ܱѹȡ0.4V Ϲܱѹȡ0.8Vο

  

     ֵ

ͺ

R1

R2

·

 

ֵ

ͺ

R1

R2

·

ST178

510

20k

ͼ1

ST145

510

20k

ͼ1

ST178H

510

20k

ST150

510

20k

ST178P

510

20k

ST150A

510

20k

ST602

510

20k

ST150B

510

10k

ST198

510

20k

ST150F

510

27k

ST198A

510

20k

ST151

510

20k

ST188

510

20k

ST155

510

27k

ST168

510

20k

ST157

510

20k

ST138

510

20k

ST180

510

27k

ST139

510

20k

ST180A

510

20k

ST148

510

10k

ST1101

510

27k

ST120

510

27k

HT130

510

2k

ͼ2

ST130

510

15k

HT135

510

4.7k

ST130A

510

15k

HT150

510

2k

ST130B

510

10k

HT150F

510

2k

ST133

510

15k

HT151

510

2k

ST135

510

20k

HT180

510

3k

ST140

510

20k

HT181

510

3k

ͼ1

ͼ2

ֵ

ͺ

R1

R2

R3

· 

 

ֵ

ͺ

R1

R2

·

ST230C

510

33k

33k

ͼ3

IT051L

510

10K

ͼ8

ST232C

510

33k

33k

IT136H

510

10K

ST253C

510

33k

33k

IT156H

510

10K

ST254C

510

33k

33k

IT186H

510

10K

ST256C

510

27k

27k

IT1106H

510

10K

ST257C

390

33k

33k

-

-

-

ST258E

510

15k

15k

ͼ4

-

-

-

ST251C

360

33k

33k

ͼ5

-

-

-

ST252C

360

33k

33k

-

-

-

ST280C

360

33k

33k

-

-

-

ST281C

360

33k

33k

-

-

-

ST282C

360

33k

33k

-

-

-

ST278

1k

12k

12k

ͼ6

-

-

-

ST279

510

20k

20k

ͼ7

-

-

-

ͼ3

ͼ4

ͼ5

ͼ6

ͼ7

ͼ8

 ַ安徽ʡƽ֧·42 ʱ:353000 ƽ ʺ880004445408091001
         绰0599-8628394 8625261 8638090 8638091    8613626    Email
: ST288A@163.com