MB3891 Ver la hoja de datos (PDF) - Fujitsu

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MB3891

Power Management IC for GSM Mobile Phone

Fujitsu 

MB3891

Parameter

Symbol Pin No.

(Ta = +25 °C, VBAT1 to VBAT4 = VCC-VSIM = 3.6 V)

Conditions

Value

Unit

Min. Typ. Max.

Output voltage

VO

21

−10 µA > V-BACKUP

> −250 µA

2.000 2.100 2.200 V

Line regulation

Line

21 3.1 V < VBAT2 < 5.5 V

  10 mV

Load regulation

Load

21

−10 µA > V-BACKUP

> −250 µA

  30 mV

Ripple rejection

∆VBAT2/

R.R

21 f = 217 Hz

LDO6 ∆V-BACKUP

(V-BACKUP) GND current at

low load

IGND

19 V-BACKUP > −10 µA

25   dB

  10 µA

GND current at

max. load

IGND

19 V-BACKUP = −250 µA

  50 µA

Output noise volt.

(RMS)

VNOVL

21

f = 10 Hz to 1 MHz,

V-BACKUP = 1 µF

  500 µV

Reverse current

IRC

21

VBAT2 = 0 V,

V-BACKUP = 3.0 V

  100 nA

Output voltage

VO

24 0 µA > REF-OUT > −50 µA 1.200 1.225 1.250 V

Line regulation

Line

24 3.1 V < VBAT2 < 5.5 V

  10 mV

Load regulation Load 24 0 µA > REF-OUT > −50 µA   6 mV

REF-OUT Ripple rejection

∆VBAT2/

R.R

24 f = 217 Hz

∆REF-OUT

50   dB

Output noise volt.

(RMS)

VNOVL

24

f = 10 Hz to 1 MHz,

REF-OUT = 27 nF

  250 µV

Output voltage

VSIMOUT

chargepump

VO

29

−50 µA > VSIMOUT > −10 mA,

SIMPROG = “H”

4.600

5.000

5.400

V

VO

29

−50 µA > VSIMOUT > −10 mA,

SIMPROG = “L”

2.760

3.000

3.240

V

Line regulation

Line

29 3.1 V < VCC-VSIM < 5.5 V

  50 mV

Load regulation Load 29 −50 µA > VSIMOUT > −10 mA   100 mV

(Continued)

10

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