Fujitsu MB3891 manual Application Example

Page 26

MB3891

 

 

 

 

 

APPLICATION EXAMPLE

 

 

 

 

 

 

C12

 

 

C11

 

 

1 F

 

 

1 F

 

 

20

8

9 10 11

 

KEYPAD

 

VBAT2

 

VBAT1

 

P

14

CONT1

 

 

 

 

 

 

 

 

 

15

CONT6

 

12

 

 

 

OUT1 13

C1

 

 

 

 

 

 

 

 

 

1 F

R1

16

CONT2

 

 

 

 

XPOWERGOOD 17

 

200 kΩ

 

 

 

 

 

 

53

SW1-ON

DELAYCAP 18

C2

 

 

 

 

 

 

54

SW2-ON

 

GND1 19

0.033 F

 

 

 

 

55

SW3-ON

 

 

 

 

 

 

 

OUT2 6

C3

 

56

CONT3

 

7

R2

 

1 F

 

 

 

 

200 kΩ

57

CONT5

 

 

 

 

SW2-INPUT 52

 

 

 

 

 

R3

44

CONT4

SW2-OUTPUT 51

 

 

 

 

200 kΩ

 

 

 

 

 

 

22

VREF

SW3-INPUT 48

 

C8

23

VFIL

SW3-OUTPUT 47

 

 

 

 

 

 

0.1 F

24

REF-OUT

 

 

 

 

 

60

 

 

 

 

 

C13

 

26

 

 

VBAT3 61

 

VSIM-ON

 

1 F

R4

 

62

 

 

 

 

200 kΩ

27

SIMPROG

 

 

 

R5

 

3

 

 

 

 

 

 

 

 

OUT3

C4

200 kΩ

 

 

 

33

RESET-IN

 

4

1 F

 

 

 

 

 

 

 

 

34

CLK-IN

 

GND3 5

 

 

35

P-IO

SW1-INPUT 46

 

 

 

 

 

 

 

 

SW1-OUTPUT 45

 

 

25

VCC-VSIM

 

 

 

 

 

 

 

OUT5 58

C5

 

28

OSC

 

 

 

 

 

1 F

 

 

 

 

 

 

 

 

 

GND5 59

 

C9

29

VSIMOUT

 

 

 

 

 

 

42

 

10 F

30

VCAP+

 

 

C10

 

VBAT4 43

C14

 

 

 

0.1 F

31 VCAP

 

 

1 F

 

36

RST

 

OUT4 40

C6

 

 

41

1 F

 

 

 

 

 

SIM

37

CLK

 

GND4 39

 

 

 

 

 

 

 

38

SIM-IO

 

 

 

 

32

GND-VSIM

 

V-BACKUP 21

C7

 

 

 

 

 

 

 

 

1 F

 

 

 

 

 

N.C.

 

 

 

 

 

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

26

Image 26
Contents Package FeaturesDescription Pin plastic Lqfp FPT-64P-M03PIN Assignment TOP ViewPin No Symbol Descriptions PIN DescriptionSW1-OUTPUT VBAT4CONT4 SW1-INPUTBlock Diagram Absolute Maximum Ratings Parameter Symbol Conditions Rating Unit MinParameter Symbol Conditions Value Unit Min Recommended Operating ConditionsElectrical Characteristics Parameter Symbol Pin No Conditions Value Unit Min TypParameter Symbol Pin Conditions Value Unit Min Parameter Symbol Pin No Conditions Value Unit Min ΔVBAT2 LDO6 ΔV-BACKUP BackupRMS Backup = 1 ∝F ΔREF-OUTParameter Symbol Pin No Conditions Value Unit Min Typ Max SIM Typical Characteristics Ripple rejection vs. frequency LDO1 DBm Load current I Load mA Ambient temperature Ta CPower supply Voltage VOUT1 Frequency f Hz Dropout voltage vs. load current LDO1LDO1 Measurement diagramWaveform at rapid change of output load IC internalWaveform at rapid change of output load LDO2 NPNIC internal LDO1 IC internal LDO2Supply PowerPower supply voltage VCC-VSIMV Output voltage vs. load current Vsimout Chargepump Voltage Vsimout Efficiency vs. power supply voltage Vsimout ChargepumpEfficiency Output voltage rising waveforms Vsimout ChargepumpOutput voltage waveforms Vsimout Chargepump Output voltage Vsimout mV Input voltage V Upio Input voltage V SimioDissipation Output voltage vs. ambient temperature SIM InterfaceVoltage Output Functional Description Setting the Xpowergood Time Backup Uvlo on Operation Timing ChartBattery controlled OUT1 hold InputMB3891 Application ExampleDo not apply negative voltages Usage PrecautionsOrdering Information Part number Package RemarksFujitsu Limited F64009S-3C-6 Package DimensionDimensions in mm inches Fujitsu Limited F0007