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Rainbow Electronics MAX1865 User Manual

Page 19

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MAX1864/MAX1865

xDSL/Cable Modem Triple/Quintuple Output

Power Supplies

______________________________________________________________________________________

19

BST

C1

1

µF

D1

CENTRAL CMPSH-3

C2

1

µF

N

H

N

L

C

BST

0.1

µF

R

POK

100k

C

COMP

C

OUT

470

µF

C

IN

470

µF

DH

LX

T1

INPUT
9V TO 18V

DL

OUT

GND

IN

VL

ILIM

POK

COMP

MAX1865

FB

8.2nF

R

COMP

47k

R

NH

10

1

R

NL

10

R

BE2

220

C3
10

µF

Q1
TIP30

R1

10k

V

OUT2

2.5V AT 500mA

C4
10

µF

T1

R2

10k

R

BE3

220

Q2
2N3905

C6
10

µF

R3

30k

R4

10k

C7
10

µF

V

OUT3

5.0V AT 100mA

C5
470

µF

D2

NIHON

EP05Q03L

B2

FB2

B3

FB3

R

BE4

220

Q3
TIP30

C9
10

µF

R5

30k

R6

10k

C10
10

µF

C8
470

µF

D3

NIHON

EP05Q03L

V

OUT3

12V AT 100mA

B4

FB4

T1

4

D4

NIHON

EC10QS10

C11
470

µF

FB5

B5

Q4

TIP29

R10

470

CONNECT
TO V

OUT3

R7

50k

C13
10

µF

R8

120k

V

OUT5

-12V AT 50mA

C15

10nF

R

BE5

220

C

BE5

2200pF

C12

10

µF

TO LOGIC

V

OUT1

3.3V AT 1A

C

BE2

2200pF

1

FAIRCHILD
FDS6912A

C

BE3

4700pF

T1

2

C

BE4

2200pF

R9

470

C14

10nF

R

SNUB

300

C

SNUB

100pF

Figure 6. Standard MAX1865 Application Circuit