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Новости строительства

827:

827 0688759652

:

- . , , " " " ", .

2963-2 (RUS) . :

2963-2

II ... 372:

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     (), [1-6]. InternatiOnal Rectifier, ST Microelectronics (SGS-Microelectronics) Motorola. , -. 600 .
     IR215*(InternatiOnal Rectifier), 2151 (Motorola), L6569, L6571 (SGS-Micro-electronics), - IR51H*** (International Rectifier) , , - , , -, . , . InternatiOnal Rectifier. , InternatiOnal Rectifier, Motorola ST Microelectronics IR2157, MC33157DW L6574, - .
     IR215*, L6569, L6571 2151 DIP8 SO8 ( ), . - IR2155 . 1. 555 -. . , . (1,2 ) , .

. 1. - IR2155

     . 2. ( V) . RT, CT . ( VB VS), , , bootstrap- V -. L6569 bootstrap- [4].

. 2.

     , IR2155, . 3 5. , , , , , , , .

. 3.

     1,52 . , , . 3. 1 , VD2. VD1 1 , . , , . 4.

. 4. ,

     . , . , . (. 5). , V, , V.

. 5.

     RC- (snubber) . , , . (R7) . ( 1, 2 ), .
    , , " " ( ) , . , , - - , . . , CT , . , , , (. 3), (. 5).
     () (..). , -. -. . 3. , , R7 . , -, . VD16, VS1. , . 5.
     . , , . 6. .

. 6. , ,

     (, . 3). , . , . . 5 , . .

. 7.

     , . , , . 7. VT1 , . 1 , , . . . 8.

. 8. CT

     . , , . , . , . 7. . V , . VS VB .
     IR51Hxxx IR2151 -, . - . , IR215x, , .

. IR51Hxxx


,
Rds (on),
25°C,
IR51H214 250 2,0 ~ 100B; 5-15
IR51H224 250 1,1 ~ 100B; 15-25
IR51H737 300 0,75 ~ 100B; 25-35
IR51H310 400 3,6 ~ 220B; 5-15
IR51H320 400 1,8 ~ 220B; 15-25
IR51H420 500 3,0 ~ 220B; 10-20

     HEWLETT-PACKARD ( HP54645D HP33120A), " " - .