MB3891 Ver la hoja de datos (PDF) - Fujitsu

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MB3891

Power Management IC for GSM Mobile Phone

Fujitsu 

MB3891

Reference voltage vs. power supply voltage

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

0

Ta = +25 °C

VFIL = 0.1 µF

1

2

3

4

5

6

7

Power supply voltage VBAT (V)

Reference voltage vs. ambient temperature

1.24

VBAT = 3.6 V

1.23

1.22

1.21

1.20

1.19

−40 −20 0

20 40 60 80 100

Ambient temperature Ta ( °C)

Power supply current vs. power supply voltage

(VSIMOUT Chargepump)

100000

10000

VSIMOUT = 510 Ω

1000

100

10

1

0

VSIMOUT = No load

Ta = +25 °C

VBAT = 3.6 V

VSIM-ON = “H”

SIMPROG = “H”

1

2

3

4

5

Power supply voltage VCC-VSIM (V)

Power supply current vs. power supply voltage

(VSIMOUT Chargepump)

100000

10000

VSIMOUT = 510 Ω

1000

100

10

1

0

VSIMOUT = No load

Ta = +25 °C

VBAT = 3.6 V

VSIM-ON = “H”

SIMPROG = “L”

1

2

3

4

5

Power supply voltage VCC-VSIM (V)

Output voltage vs. power supply voltage

(VSIMOUT Chargepump)

5

SIMPROG = “H”

4

VSIMOUT = No load

3

SIMPROG = “L”

VSIMOUT = No load

2

1

Ta = +25 °C

VBAT = 3.6 V

VSIM-ON = “H”

0

0

1

2

3

4

5

6

7

Power supply voltage VCC-VSIM (V)

(Continued)

17

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