4

Schematic diagrams

P owe rFLAT 5x6

P owe rFLAT 5x6

P o w e r c ir c u it

F e e d b a c k c ir c u it

In p u t F ilt e r

N O T E

s y n c h m o s fe t

N c h 6 0 V 1 0 m illi m a x Q t < 3 0 n c

Fs w 200khz

120K

SS

4ms

10nF

DT 50ns

91K

Blanking 70ns 130K

S OT23

X5R

X5R

X5R

X5R

X5R

A u x ilia r y v o lt a g e

N O T E

p r im a r y m o s fe t

N c h 2 0 0 V 5 0 m illi m a x Q t

< 3 0 n c

N O T E

in t e r n a l a u x ilia r y v o lt a g e m u s t b e

s e t b e t w e e n 1 0 V a n d 1 1 V

fr o m n o lo a d t o fu ll lo a d

S OT23

Vin (48V)

GND

2KV

1812

DO3316H-121MLD

10 X10.2mm_EEEFK2A330P

S GND

AGND

S GND

S GND

P GND

S GND

P GND

P GND

P GND

S GND

S GND

S GND

P GND

S GND

P GND

AGND

P GD

V12V

V12V

VS N

VGS

VGS

P GD

V12V

P GD

R5

10R

1206

C1

NM

C15

3.3nF

0805

TP 1

TP -RED

C12

47uF

1210

25V

R21

51K

1%

TP 9

TP -Ye llow

C10

47uF

1210

25V

D2

BAS 70J FILM

R29

NM

1%

R11

NM

C2

100pF

0805

R17

NM

1%

TP 10

TP -Ye llow

TP 2

TP -BLACK

C31

NM

0603

R33

330R

J 4

S GND

C26

100nF

R6

0R

0805

L1

XAL5050-562-DNM

1

2

C34

10nF

R25

1K

U3

FOD817AS D

C33

2200pF

1812

2KV

R1

100R

1206

R4

10R

1206

C13

47uF

1210

25V

U4

TS 2431AILT

C36

33nF

U6

TS 2431AILT

L2

0.12uH

1

2

U5

FOD817AS D

C7

4.7uF

1210

100V

R38

82k

1%

R13

0R

C6

4.7uF

1210

100V

C30

NM

TP 5

TP -RED

C25

47nF

1206

200V

R24

R100

1206

R2

47R

R37

5.6k

1%

J 1

R31 10R

C8

4.7uF

1210

100V

D4

BAS 16J

R20

130K

1%

C38

47nF

C32

2.2uF

25V

0603

J 3

+12V

Q2

BS C500N20NS 3GATMA1

4

C18

NM

25V

0603

U1

S RK1000

VCC

1

GND

2

GD

3

TON

4

VAUX

5

DVS

6

C4

4.7uF

1210

100V

R10

240K

0805

R3

10R

0805

R26 91K

1%

C37

100pF

C22

100p

R7

0R

TP 7

TP -Re d

1

5

4

3

10

8

7

6

2

11

12

9

R30

510R

R8

10R

0805

D5

BAS 70J FILM

C21

NM

C5

NM

0805

C35

NM

TP 13

Mounting_Hole _3p5mm

1

R12

10K

0805

C19

2.2uF

25V

0603

R35

3.0K

U2

P M8804

NC1

5

P GD

6

NC2

7

VIN

8

MODE

13

CS

14

CTL

15

BLK

16

TP 12

TP -RED

C29

NM

Q3

S I2325DS -T1-E3

G

1

C23

1uF

R27 120K

1%

C24

100nF

25V

0603

R9

330R

J 2

GND

TP 14

Mounting_Hole _3p5mm

1

TP 11

TP -Re d

C27

1nF

0805

100V

R39

R100

1206

R22

10K

D1

BAS 70J FILM

C11

47uF

1210

25V

R32

0R

R34

20k

1%

R18

10k

R14

47K

C28 10nF

TP 15

Mounting_Hole _3p5mm

1

Q1

STL130N8F7

4

R19

NM

TP 8

TP -Re d

TP 3

TP -RED

+

C9

330uF

D3

1N4148WS

R15

0R

0805

TP 4

TP -Ye llow

R23

R100

1206

D6

BAS 70J FILM

TP 16

Mounting_Hole _3p5mm

1

C16

47uF

1210

25V

R16 10R

0805

C17

47uF

1210

25V

TP 6

TP -BLACK

C14

100nF

0603

C20

1nF

0805

100V

R28

12K

1%

R36

3.3K

1%

+

C3

33uF/100V

S GND

VS N

VS P

T1