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ChipNews

Новости строительства

827:

827 0688759652

:

- . , , " " " ", .

2963-2 (RUS) . :

2963-2

II ... 372:

!

. , . , .

MC33157DW

     () [1]. Motorola, (International Rectifier, ST-Microelectronics), MC33157DW, [1]. . 1.

. 1

     DIP16, SO16 , . , . 2, , .

. 2

     . 1:

     470 .

     . 2 . SD, R6, R7.

     16 , .

     1 VDD. , "". R3 . .

     2 (+Vref) +7 , . +Vref 25 . "" 220 .

     3 CPH (. 1) . : (tPH) (tSK). 0,47 2 125 .

     4 RPH, RENDSWP, . RPH RENDSWP COP , (fPH = f1). RENDSWP (RENDSWP = f2). . f1 LC , , f2 .

     5 CSWEEP, f1 f2. RPH, CSWEEP , .

     6 COP , .

     7 (ICO) . , , . 1 500 . ROP +Vref. .

     8 (DTA) .

     9 (SD) . , . , , RPH RENDSWP, , ROP. , 4 , . RESET +VDD . , 0 +Vref, . , 1 .

     10 (RESET) . , . . 10 . , , +VDD . +VDD RESET . RESET () , . 20 , , RESET. , , 10 10. 10 , , V ( 300 ), , dv/dt .

     11 (GND) "" ( ). ( di/dt), [2].

     12 (VLO) MOSFET .

     13 (NC) .

     14 (VOUT) . .

     15 (VHO) MOSFET .

     16 (VHS) .

     IR2157 Internatinal Rectifier, , , , , . , RESET, , .

  1. http://www.mot2.mot-sps.com/books/dl128/pdf/mc33157DW.pdf.
  2. .., .., .., .. // . 1999. 2. C. 1822.
  3. .., .. // Chip News. 1999. #6. . 25.






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