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Rainbow Electronics MAX5098A User Manual

Page 26

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MAX5098A

Dual, 2.2MHz, Automotive Buck or Boost
Converter with 80V Load-Dump Protection

26

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BST2/VDD2

SOURCE2

SOURCE2

PGND1

FB2

COMP2

PGOOD2

EN2

SYNC

31

1

32

29

6

7

4

5

9

C6

D1

26

25

24

28

D2

C7

L1

C20

C9

R9

C8

R6

R22

R7

R8

R12

C11

C12

C13

19

18

21

VOUT1

PGND

SGND

20

17

CLOCK OUT

V

L

V

IN

VDRV

BST1/VDD1

SOURCE1

SOURCE1

CKO

FB1

COMP1

PGOOD1

EN1

FSEL_1

IN_HIGH

ON/OFF

GATE

V+

DRAIN1

DRAIN1

DRAIN2

DRAIN2

OSC

BYPASS

SGND

VDRV

V

L

12

22

23

2

3

11

10

13

C1

C19

C4

C15

8

16

15

14

27

PGND2

30

V

IN

= 4.5V

TO 5.5V

MAX5098A

VIN

PGND

C14

D4

D5

C5

L2

C21

C17

R18

C16

R15

R23

R16

R17

VOUT2

PGND

SGND

VDRV

Figure 7. 4.5V to 5.5V Operation