DAP005TR datasheet(35/39 Pages) STMICROELECTRONICS

35 / 39 page

DAP005

Application examples and ideas

35/39

Figure 50. 250W, wide-range-mains PFC pre-regulator with fixed output voltage

KBU8M

R1A

820 k

1 µF

400V

1 µF

FUSE

8A/250V

47 k

L6563

STP12NM50

R9A

1 M

150 µF

450 V

Vout = 400V

Pout = 250 W

Vac

88V

264V

R8A,B

0.22

1 W

R10

12.7 k

10nF

STTH5L06

R6 33

1 µF

R1B

820 k

10 k

D3 1N4148

R9B

1 M

NTC1

2.5

1N5406

470 nF

630 V

6.8 k

1 M

Vcc

10.3 to 22 V

R11A

1.87 M

R12

20 k

R11B

1.87 M

390 k

470nF

10 nF

Boost Inductor (L1) Spec

ETD29x16x10 core, 3C85 ferrite or equivalent

1.5 mm gap for 150 µH primary inductance

Primary: 74 turns 20xAWG30 (

0.3 mm)

Secondary: 8 turns 0.1 mm

DAP005

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

KBU8M

R1A

620 k

1 µF

400V

1 µF

FUSE

8A/250V

1.5 k

L6563

M1A

STP12NM50

C11

220 µF

450 V

Vout = 400V

Pout = 350W

Vac

88V

264V

R12A,B,C

0.33

1 W

10nF

STTH806DTI

R9 6.8

1 µF

R1B

620 k

10 k

D3 1N4148

1N4148

12 k

560 pF

C6 330 pF

NTC1

2.5

1N5406

470 nF

630 V

6.8 k

R10 6.8

1N4148

M1B

STP12NM50

1.5 k

TR1

BC557

R15A

1.87 M

R16

20 k

R15B

1.87 M

390 k

470nF

C10

10 nF

330 pF

R11 330

R13A

1 M

R14

12.7 k

R13B

1 M

Vcc

10.3 to 22 V

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)

DAP005

DAP005TR 数据表(PDF) 35 Page - STMicroelectronics

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DAP005TR 数据表(PDF) 35 Page - STMicroelectronics

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