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UCC28810 18...48 .

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. TL103WD LM258D, . . 1.

    UCC28810     18...48
.1. ( )

. - R22, R23. DA2.1, 37,5. DA2.2. DA3. DA2.2 . ( ), DA2.2 U1 . DA1 VT2 .

R27 DA2.2 (). , 350 DA2.2 - 3,5 , R27. 125...128 , , , VD14-VD16 DA2.2 U1, D1 VT2.

VT3 D4 (11,8 ) .

D1 R7, R8. T1 VT1. R13, R16 TZE ( 5) D1, 1, VT2. UCC28810D [1].

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  • , .......185...245
  • , .......240...390
  • ( ), %, .......1
  • ( , 24 ), %, ....... 1
  • , .......60...126
  • , %, .......92
  • , %.......≈12
  • (PF), 0,95

, , , , , - . 12 % - [3] , ( 5 %), , , , , . -(08) 42 350 . (. 2) 100 3,6 100 ( - ).

    UCC28810     18...48
. 2.

( , , .) , . 16. 330 1000 ( 330 160 ) 5 %, , . , .

8. 8 47 1 %. , , - 0,95 0,5. , , . - . , , , . , - , .

. 3. . 1. , . 1 . , 1 (29) 1 0,25 (R55). VD1, VD2 (. . 1), R1 R2 ( 0,125 ) 1 0,125 ( R54), R1, VD19 (. 3). 1 3 DA3 DA4 : DA3 1 (27), DA4 - 10 (28). 20 4,7 ( 0,1 ) (4,7 ).

    UCC28810     18...48
. 3.

, . 1 0,2 , 1 1 - 4,7 , 17 - 0,1 , 8 - 0,1 , 16 - 100 , 18 - 0,047 , 19 - 2,2 , 9 - 150 , 6 4,7 . R22, R23 ( ) 1 1 . R17 - 1 , - 0,25 . (R18, R19) 1 . R3 - 13 , R4 - 10 , R7 R8 - 120 , R20 R24 - 1,8 , R21 R25 - 36 , R26 - 10 . BZV55C51 (VD16) BZV55C18, BZV55C15 (VD8) - BZV55C18. HS2K (VD11) HS1J.

L6561D (DA5). . 4. VT4 , 2 VD3-VD6, . 26. - , VT4 , 2 VD19 26. ( 2 ) ( ), ( ). D5, 26. R49-R53, INV ( 1) D5, 390 .

R40-R43, MULT ( 3) D5, , 390 26 90 265 . VD20 VT1 (. . 1). . CS ( 4) D5 VT4. GD ( 7) VT4. ZCD ( 5) , . [4].

    UCC28810     18...48
. 4.

:

  • , .......90...265
  • , .......60...126
  • , .......240...390
  • ( ), %, .......1
  • ( , 24 ), %, ....... 1
  • , %, .......87
  • , %, ....... 1
  • (PF), 0,97

, . . () . 5. , . 2. : . 6 ( ) - VT2, () - ; . 7 () - VT4, () - .

    UCC28810     18...48
. 5.

    UCC28810     18...48
. 6.

    UCC28810     18...48
. 7.

. . 8, - . 9, - . 10, - . 11 . FR-4. , - .

    UCC28810     18...48
. 8.

    UCC28810     18...48
. 9.

    UCC28810     18...48
. 10.

    UCC28810     18...48
. 11.

L2 19/8/5 (Epcos) 350 , 130 0,25 . L1 - 3 , 0,3 . 1 25/13/7 (Epcos) N27 0,5 . (I) 47+22 , - 0,3 . - 0,7 . (III) 53 , - 0,3 . II 13 0,3 . : - 47 , - , - 22 - .

. 175 0,3 , - - 7 . - 2,5 . R20-R26, R28-R37 1 %, - 10 %. 5, 7, 9, 12, 13, 17, 18, 22, 28 - 0603, 6, 11, 19, 20, 21, 23, 24, 27 - 0805, 30 - 1206. 5, 7, 9, 12, 13, 17, 18 - 0603, 11, 19, 20 - 0805. 14 ( ) - ( 630 ) 1812. HS2 MURS160 , LL4148 - 50 . MMBT2222ALT1, STP5NK80Z PZTA42 . STP5NK80Z (VT2) , STP5NK60Z. R18, R28 R48 , .

, , . VT2 . 35 50 , 50 , . 35 VT2 . , , , .

(. . 3), 50 . . 12, . 13 - ( . 12 "" ). NEO-L-18R2834_520 "-". 18 SEL-WW2835-3K, , .

    UCC28810     18...48
. 12.

    UCC28810     18...48
. 13.

, . . 15...20 , 500 . 16 , VT3 11,6...11,8 . . , , , , 300 . 3 4 U1 . R27 ( ). , , , ( ) 300 . . , .

, . - VT4 2 (. . 3). 230 , . , 300 95 210 , . , R27 : 240 390 . - - , 310 . , , , . , , - 230 300 , 140 .

, , 18 , . , (, . .) . - . . . . . 14 . 15 ( "" ).     UCC28810     18...48
. 14.

    UCC28810     18...48
. 15.

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, "" 30...40 %!

  1. LED Lighting Power Controller. - URL: ti.com/lit/ds/symlink/ucc28810.pdf.
  2. PFC Flyback LED Converter 40V-120V @ 0.35A. - URL: ti.com/tool/PMP4522.
  3. C- 2.2.2/2.4.1340-03. - (. 6.14). - URL: docload.ru/Basesdoc/39/39082/index.htm#i68582.
  4. L6561 Power Factor Corrector. - URL: st.com/web/en/resource/technical/document/datasheet/CD00001174.pdf.

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13.11.2010

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