L6563ATR datasheet(32/39 Pages) STMICROELECTRONICS

32 / 39 page

Application examples and ideas

L6563 - L6563A

32/39

Application examples and ideas

Figure 47. Demo board (EVAL6563-80W) 80W, Wide-range, Tracking Boost: Electrical schematic

Boost inductor spec:

E25x13x7 core, 3C85 ferrite or equivalent

1.6 mm gap for 0.43 mH primary inductance

Primary: 80 turns 20 x 0.1 mm

Secondary: 9 turns 0.1 mm

1W08G

R11A

1 M

Ω

0.47 µF

400V

33 µF

25V

FUSE

4A/250V

R3A

120 k

Ω

1N4148

20 V

Ω

15 nF

47 k

Ω

L6563

C12 220 nF

Ω

STP8NM50

56 µF

400 V

Vo=220 to 390 V

Po = 80 W

Vac

(88V to 264V)

37.4 k

Ω

4.7 nF

STTH2L06

NTC

2.5

Ω

39 k

Ω

1 µF

470 nF

R14

22.1 k

Ω

R13

10.5 k

Ω

R3B

120 k

Ω

R11B

1 M

Ω

R10

15.8 k

Ω

R9A

1 M

Ω

R9B

1 M

Ω

R12A

1 M

Ω

R12A

1 M

Ω

R7A

0.68

Ω

1/2 W

R7B

0.68

Ω

1/2 W

R15

Ω

C10

N.A.

R17

390 k

Ω

C11

4.7 nF

R18

47 k

Ω

R20

47 k

Ω

TP1

TP2

Daux

1N4007

100 nF

Figure 48. EVAL6563-80W: PCB and component layout (Top view, real size: 64 x 94 mm)

L6563ATR 数据表(PDF) 32 Page - STMicroelectronics

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