L6563 데이터 시트보기 (PDF) - STMicroelectronics

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L6563

Advanced transition-mode PFC controller

STMicroelectronics 

Application examples and ideas

L6563 - L6563A

Figure 51. 350W, wide-range-mains PFC pre-regulator with fixed output voltage and FOT control

D1

L1

1N5406

D2

STTH806DTI

NTC1

2.5 Ω

Vout = 400V

Pout = 350W

B1

FUSE KBU8M +

8A/250V

C1

1 µF

400V

Vac

-

88V

to

264V

Vcc

R1A 10.3 to 22 V

620 kΩ

R1B

620 kΩ

C2

1 µF

R3

390 kΩ

R2

10 kΩ

C3

10nF

C4

470nF

R4

1 MΩ

R5 C5

6.8 kΩ 1 µF

R13A

1 MΩ

R13B

1 MΩ

R15A

1.87 MΩ

R15B

1.87 MΩ

14 8 9 2

3

L6563

10

5 11

R6

1.5 kΩ

R8

1.5 kΩ

17

6

13

12 4

D3 1N4148

R9 6.8 Ω

D4

1N4148

D5 R10 6.8 Ω

M1A

STP12NM50

M1B

STP12NM50

TR1

BC557

R7

12 kΩ

C6 330 pF

C7

560 pF

1N4148

R11 330 Ω

C8

330 pF

R12A,B,C

0.33 Ω

1W

C9

470 nF

630 V

C11

220 µF

450 V

C10

10 nF

R14

12.7 kΩ

R16

20 kΩ

L1: core E42*21*15, B2 material

1.9 mm air gap on centre leg, main winding

inductance 0.55 mH

58 T of 20 x AWG32 (∅0.2 mm)

Figure 52. Demagnetization sensing without auxiliary winding

Figure 53. Enhanced turn-off for big MOSFET driving

Vcc

14

13 GD

DRIVER

Q

L6563

L6563A 12

GND

BC327

Rs

34/37

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