Fujitsu MB3891 manual Block Diagram

Page 5

MB3891

BLOCK DIAGRAM

 

 

 

VBAT2

 

 

VBAT1

 

 

 

 

 

20

 

8

9 10 11

 

 

 

 

 

Over

 

LDO1

 

12

 

 

 

 

 

 

 

 

 

CONT1 14

 

 

Temp

 

 

 

OUT

OUT1

 

 

Protection

 

ON

 

13

 

 

 

 

 

 

 

 

 

Main

 

 

 

 

 

POR

17

XPOWERGOOD

 

UVLO

 

 

 

 

 

 

18

DELAYCAP

 

 

 

 

 

 

 

 

CONT6 15

 

 

 

 

 

 

 

19

GND1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LDO2

 

6 OUT2

 

 

 

 

 

 

 

OUT

 

 

 

 

 

ON

 

7

 

CONT2 16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW1

 

 

 

46

SW1-INPUT

SW1-ON 53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW2-ON 54

 

 

 

 

 

 

 

45

SW1-OUTPUT

 

 

 

 

 

 

 

52

SW2-INPUT

 

 

 

 

SW2

 

 

 

 

 

 

 

 

 

 

 

 

SW3-ON 55

 

 

 

 

 

 

 

51

SW2-OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

SW3

 

 

 

48

SW3-INPUT

 

 

 

 

 

 

 

 

 

CONT3 56

 

 

 

 

 

 

 

47

SW3-OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

61

VBAT3

CONT5 57

 

 

 

 

 

 

 

62

 

 

 

 

 

LDO3

 

 

 

 

 

 

 

 

 

 

 

CONT4 44

 

 

 

 

 

 

OUT

3

OUT3

 

 

 

 

ON

4

VREF 22

 

 

 

 

 

 

 

5

GND3

 

 

 

 

 

 

 

 

VFIL 23

VREF

+

VREF-AMP

 

 

 

 

42

VBAT4

 

 

LDO4

 

43

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT

40

OUT4

 

 

 

 

 

 

 

REF-OUT 24

 

 

 

 

ON

 

41

 

 

 

 

 

 

CONT4

 

 

RESET-IN 33

 

 

 

 

 

 

 

39

GND4

CLK-IN 34

 

 

 

 

LDO5

 

 

 

P-IO 35

GSM/SIM

 

 

 

 

 

OUT

58

OUT5

Logic

 

 

 

ON

RST 36

Level

 

 

 

 

 

 

 

 

Translation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

59

GND5

CLK 37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIM-IO 38

 

 

 

BACKUP

LDO6

 

 

 

 

 

 

 

 

 

OUT

21

V-BACKUP

VCC-VSIM 25

 

 

 

UVLO

ON

VSIM-ON 26

 

VSIMOUT

 

 

 

 

 

 

SIMPROG 27

 

 

 

 

 

30

VCAP+

 

Charge-pump

 

 

 

 

 

 

 

 

 

 

 

 

OSC 28

 

 

 

 

 

 

 

31

VCAP

 

32

 

29

 

 

 

N.C.

 

 

 

GND-VSIM

 

VSIMOUT

 

 

 

 

 

 

 

 

 

 

Pin : 1, 2, 49, 50, 63, 64

 

 

 

 

 

 

 

5

Image 5
Contents Description FeaturesPackage Pin plastic Lqfp FPT-64P-M03TOP View PIN AssignmentPIN Description Pin No Symbol DescriptionsCONT4 VBAT4SW1-OUTPUT SW1-INPUTBlock Diagram Parameter Symbol Conditions Value Unit Min Parameter Symbol Conditions Rating Unit MinAbsolute Maximum Ratings Recommended Operating ConditionsParameter Symbol Pin No Conditions Value Unit Min Typ Electrical CharacteristicsParameter Symbol Pin Conditions Value Unit Min Parameter Symbol Pin No Conditions Value Unit Min RMS Backup = 1 ∝F LDO6 ΔV-BACKUP BackupΔVBAT2 ΔREF-OUTParameter Symbol Pin No Conditions Value Unit Min Typ Max SIM Typical Characteristics Power supply Voltage VOUT1 Load current I Load mA Ambient temperature Ta CRipple rejection vs. frequency LDO1 DBm Frequency f Hz Dropout voltage vs. load current LDO1Waveform at rapid change of output load Measurement diagramLDO1 IC internalIC internal LDO1 NPNWaveform at rapid change of output load LDO2 IC internal LDO2Supply PowerPower supply voltage VCC-VSIMV Output voltage vs. load current Vsimout Chargepump Efficiency Efficiency vs. power supply voltage Vsimout ChargepumpVoltage Vsimout Output voltage rising waveforms Vsimout ChargepumpOutput voltage waveforms Vsimout Chargepump Input voltage V Upio Input voltage V Simio Output voltage Vsimout mVDissipation Output voltage vs. ambient temperature SIM InterfaceVoltage Output Functional Description Setting the Xpowergood Time Battery controlled OUT1 hold Operation Timing ChartBackup Uvlo on InputApplication Example MB3891Ordering Information Usage PrecautionsDo not apply negative voltages Part number Package RemarksFujitsu Limited F64009S-3C-6 Package DimensionDimensions in mm inches F0007 Fujitsu Limited