MB3891 데이터 시트보기 (PDF) - Fujitsu

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MB3891

Power Management IC for GSM Mobile Phone

Fujitsu 

MB3891

(Continued)

Pin No.

42, 43

44

45

46

47

48

49, 50

51

52

53

54

55

56

57

58

59

60, 61, 62

63, 64

Symbol

VBAT4

CONT4

SW1-OUTPUT

SW1-INPUT

SW3-OUTPUT

SW3-INPUT

N.C.

SW2-OUTPUT

SW2-INPUT

SW1-ON

SW2-ON

SW3-ON

CONT3

CONT5

OUT5

GND5

VBAT3

N.C.

I/O

Descriptions

 Supply voltage for LDO4.

I OUT4 output voltage selection (“L”=2.8 V,“H”=2.5 V).

O Output of general purpose switch number 1 (Drain).

I Input of general purpose switch number 1 (Source).

O Output of general purpose switch number 3 (Drain).

I Input of general purpose switch number 3 (Source).

 Non connection.

O Output of general purpose switch number 2 (Drain).

I Input of general purpose switch number 2 (Source).

I General purpose switch number 1 Enable (Active high).

I General purpose switch number 2 Enable (Active high).

I General purpose switch number 3 Enable (Active high).

I OUT3 and OUT4 supply voltage Enable (Active high).

I OUT5 supply voltage Enable (Active high).

O Output terminal of LDO5.

 LDO5 ground pin.

 Supply voltage for LDO and LDO5.

 Non connection.

4

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