HDMI分配器EP9132方案下载

EP9132硬件电路参考设计5

4

3

2

1

5V 7 2

U4B
VIN

LM2576T-5
FB GND SW 10 8 40M3 R125 470 40M4 5V

L1A1 D1A1

150UH

D35 LED
C A

D

STUFF ONLY IF 5V POWER APPLIED FROM J1
J8
40M1 12V F1

JP1

11

SHDN

D

1N5822

1

9

1A_FUSE_SMD
C58

U4A
40M2 C63 0.1u SHDN 1 5 VIN

LM2576D2T-5
FB GND PAD SW 4

OCCUPY SPACE; SHORT WHILE PWR1 USED
1

3 2

1

5V

L1
2

33UH

B1 40M5 C1 100p 330uF/16V 0.1u C4 330uF/16V 201209-120

470uF/25V

DC_12V

F2

3 6

1A_FUSE

R70 R/NC

D20 MBRS340T3

C6

C37

C

C

5V 5 C73 1

U9
IN

SC1563ISK-3.3TR/NC
OUT GND ADJ 4 R136 NC/390 2 3

PWR2 3V3_R1 R134 0 1 5 C74 1u 10uF/16V 0.1u 10uF/16V C75 C76 C77 1 5V

U10 SC1563ISK-3.3TR/NC
IN SHDN GND OUT ADJ 4 R137 NC/390 2

PWR3 3V3_R2 R135 0 1 C78 10uF/16V

1u

SHDN

C79 0.1u

C80 10uF/16V

R139
B

VR 3 R140 0/220 1

3

R141

VR 3
B

R138 0/220