5.1 通道Class D设计电路

7720+7761_48_D01C1
18pF

R1
82k

R2
100k/1%

C4
1uF/50V/X7R

C3
2.2uF/16V/X7R

R3
100k/1%

C2
220uF/35V

TP1 C6 R5
100k 2.2uF/25V

R4
5k

C5
5.6nF/50V/X7R

L1 D2
10uH/4A TOKO 8RYT

C7
470uF/25V

R6 0

C8 MP7720 R39
100

D1
1N5819

C9
0.47uF/63V

R40
10

R7
3k

SW1

C10
0.1uF

0.1uF/50V/X7R Zener 6.2V

C21
0.1uF/50V/X7R

R8
47k

C16

470pF

LED\0805
LED1

C11
18pF

R9
82k

R10
100k/1%

C14
1uF/50V/X7R

C13
2.2uF/16V/X7R

R11
100k/1%

C12
220uF/35V C15 1000uF/35V

C18 R13
100k 2.2uF/25V

R12
5k

C17
5.6nF/50V/X7R

L2 C22 MP7720 R41
100

C19
470uF/25V

R14 0

D4

10uH/4A TOKO 8RYT

D3
1N5819

C23
0.47uF/63V

R43
10

0.1uF/50V/X7R Zener 6.2V

C67
0.1uF/50V/X7R

C64
470pF

6 Channels 150W Demo Board mp7720_7761_EV0048_Rev_C.sch 5/20/03
1

C wmc
4

C24
18pF

R15
82k

R16
100k/1%

C27
1uF/50V/X7R

C26
2.2uF/16V