DocID028632 Rev 1

5/11

FDA801B

Block diagram and pins description

11

17

OUT1+

Channel 1, half bridge plus, Output

18

GND1+

Channel 1, half bridge plus, Power Ground

19

FB1+

Channel 1, half bridge plus, Feedback

20

ENABLE 3

Enable 3

21

ENABLE 2

Enable 2

22

ENABLE 1

Enable 1

23

DGSVR

Negative digital supply V(SVR)-0.9V (Internally generated)

24

D1e8SVR

Positive digital supply V(SVR)+0.9V (Internally generated)

25

DVdd

Digital supply

26

Dgnd

Digital ground

27

CPump1

Charge Pump pin1

28

VddCP

Charge Pump output voltage

29

CPump2

Charge Pump pin2

30

FB3+

Channel 3, half bridge plus, Feedback

31

GND3+

Channel 3, half bridge plus, Power Ground

32

OUT3+

Channel 3, half bridge plus, Output

33

OUT3+

Channel 3, half bridge plus, Output

34

VCC3+

Channel 3, half bridge plus, Power Supply

35

VCC3-

Channel 3, half bridge minus, Power Supply

36

OUT3-

Channel 3, half bridge minus, Output

37

OUT3-

Channel 3, half bridge minus, Output

38

FB3-

Channel 3, half bridge minus, Feedback

39

GND3-

Channel 3, half bridge minus, Power Ground

40

GND4-

Channel 4, half bridge minus, Power Ground

41

FB4-

Channel 4, half bridge minus, Feedback

42

OUT4-

Channel 4, half bridge minus, Output

43

OUT4-

Channel 4, half bridge minus, Output

44

VCC4-

Channel 4, half bridge minus, Power Supply

45

VCC4+

Channel 4, half bridge plus, Power Supply

46

OUT4+

Channel 4, half bridge plus, Output

47

OUT4+

Channel 4, half bridge plus, Output

48

FB4+

Channel 4, half bridge plus, Feedback

49

TAB

Device slug connection

50

GND4+

Channel 4, half bridge plus, Power Ground

Table 2. Pins list description (continued)

N#

Pin

Function