MB3891 Datasheet, PDF (8/29 Pages) Fujitsu Component Limited. – Power Management IC for GSM Mobile Phone

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 12, 13 −50 µA > OUT1 > −120 mA 2.000 2.100 2.200 V
Line regulation
Line 12, 13 3.1 V < VBAT1 < 5.5 V
  10 mV
Load reguration
Load 12, 13 −50 µA > OUT1 > −120 mA   30 mV
LDO1
(OUT1)
Ripple rejection
∆VBAT1/∆OUT1
Dropout voltage
R.R 12, 13 f = 217 Hz
VDO 12, 13 OUT1 = −120 mA
45   dB
  500 mV
GND current at low load IGND
19 OUT1 > −1 mA
  30 µA
GND current at max. load IGND
19 OUT1 = −120 mA
  2 mA
Output noise volt. (RMS)
VNOVL
12, 13
f = 10 Hz to 1 MHz,
OUT1 = 1 µF
  500 µV
XPOWER- _{Output voltage}
GOOD
(RESET)
VOH
17
VOL
17

0.8 ×
OUT1

OUT1
V

0

0.1 ×
OUT1
V
Hold time
TXPG
17 DELAYCAP = 0.033 µF
10 25 40 ms
Output voltage
VO
6, 7 −50 µA > OUT2 > −50 mA 2.700 2.800 2.900 V
Line regulation
Line 6, 7 3.1 V < VBAT1 < 5.5 V
  10 mV
Load regulation
Load 6, 7 −50 µA > OUT2 > −50 mA   30 mV
LDO2
(OUT2)
Ripple rejection
∆VBAT1/∆OUT2
Dropout voltage
R.R 6, 7 f = 217 Hz
VDO
6, 7 OUT2 = −50 mA
45   dB
  250 mV
GND current at low load IGND
19 OUT2 > −1 mA
  30 µA
GND current at max. load IGND
19 OUT2 = −50 mA
  1 mA
Output noise volt. (RMS) VNOVL
6, 7
f = 10 Hz to 1 MHz,
OUT2 = 1 µF
  350 µV
General
purpose Input/Output resistance
switches
RSW1
RSW2
RSW3
45, 46
SW1-INPUT = 2.8 V
(Gate/Source = 2.8 V)
51, 52
SW2-INPUT = 2.8 V
(Gate/Source = 2.8 V)
47, 48
SW3-INPUT = 2.8 V
(Gate/Source = 2.8 V)
  4.0 Ω
  7.0 Ω
  7.0 Ω
(Continued)
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