SSC2005SC

SSC2005SC-DS Rev.1.1

SANKEN ELECTRIC CO.,LTD.

17

Feb. 06, 2015

10. Reference Design of Power Supply

As an example, the following show the power supply specification, the circuit schematic, the bill of materials.

 Circuit schematic

IC

SSC2005SC

Input voltage

AC 85 to AC 265 V

Output power

200 W

Output voltage

390 V

Minimum operational frequency at the peak

of the AC line waveform

40 kHz (AC 265 V)

Efficiency

0.95

 Circuit schematic

VAC

C1

BR1

L1

C3

VCC

OUT

COMP

FB

RDLY

GND

CS

8

7

6

5

SSC2005SC

U1

1

2

4

3

RT

C7

C6

R7

C11

External

power supply

R8

R9

C8

C9

C10

C5

Q1

D1

D3

D2

DZ1

R2

R1

R3

R5

R4

LINE

GND

R14

R6

R15

R13

R12

R10

R11

R16

R17

C2

C4

F1

TC_SSC2005SC_5_R1

 Bill of materials

Symbol

Part type

Ratings

(1)

Recommended

Sanken Parts

Symbol

Part type

Ratings

(1)

Recommended

Sanken Parts

BR1

General

600 V

R5

General

0.15 Ω, 2W

F1

Fuse

AC 250 V

R6

General

0.15 Ω, 2W

L1

Inductor

170 μH (EI30)

R7

General

10 kΩ

C1

Ceramic

450 V, 0.68 μF

R8

General

15kΩ

C2

Ceramic

450 V, 0.68 μF

R9

(2)

General

15kΩ

C3

(2)

Ceramic

450 V, 180 μF

R10

(3)

General

180 kΩ, 1%

C4

(2)

Ceramic

1kV, 100pF

R11

(3)

General

820 kΩ, 1%

C5

Ceramic

1000 pF

R12

(3)

General

560 kΩ, 1%

C6

Ceramic

0.47 μF

R13

(3)

General

560 kΩ, 1%

C7

Ceramic

1 μF

R14

(3)

General

680 kΩ, 1%

C8

Ceramic

0.01 μF

R15

(3)

General

680 kΩ, 1%

C9

Ceramic

0.01 μF

R16

(2)

General

Open

C10

Ceramic

3300 pF

R17

General

22 kΩ, 1%

C11

Ceramic

0.47 μF

D1

Fast recovery

600V, 10 A

FMNS-1106S

R1

(2)

General

100 Ω

D2

Schottky

60 V, 0.7 A

AK06

R2

(2)

General

10 Ω

D3

General

600V, 1.2A

RM10A

R3

(2)

General

100 kΩ

U1

IC

SSC2005SC

R4

General

47 Ω

combinations of resistors in series for that to reduce each applied voltage, according to the requirement of the application.