BCM4319 Preliminary Data Sheet
LNLDO1, LNLDO2
LNLDO1, LNLDO2
Table 25: LNLDO1a, LNLDO2
Specification
Notes
Minimum Typical
Maximum Units
2.0
1.35
3.0
1.10
2.5
–
1.4
3.3
1.225
2.5
–
V
V
Input supply voltage
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
–
3.6
1.35
3.1
4
Output voltage
%
mA
mA
μA
Absolute accuracy
–
–
150
50
44
206
42
202
–
Output current for LNLDO1
Output current for LNLDO2
Quiescent current for LNLDO1
–
–
–
–
–
31
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
–
110
29
–
μA
μA
Quiescent current for LNLDO2, 3, 4 LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
–
108
–
–
Leakage current for LNLDO1
LNLDO1_pu = 0
–
0.1
0.1
–
5
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
LNLDO1_pu = 0
–
9
–
–
μA
Leakage current for LNLDO2, 3, 4
–
0.1
0.1
20
2
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
–
4
–
–
nV/ Hz
Output noise @30 kHz, 50 mA load LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
–
31
–
–
50
–
dB
PSR for LNLDO
@1 kHz, 150 mV
dropout
150
–
–
–
–
mV
ms
Dropout voltage
Start-up time
–
–
0.5
a. LNLDO1 is only used with LNLDOi_vo_sel=0 (1.225V output) to supply sensitive analog blocks: LNLDO2s use
is not required or recommended.
Table 26: Power Management Unit
Specification
Notes
Min
Typ
Max
–
Units
uA
100a
Total Quiescent Current from VBAT Burst Mode
–
50a
11
–
Low Power Burst Mode –
–
uA
Power Down
Input Supply Voltage Ramp-up Time 0 to 4.3V
4.3 to 5.5V
–
–
–
–
uA
uS
uS
44
100
–
a. Assumes CBUCK load current = 0 uA, with PALDO, CLDO, and LNLDOs powered down.
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April 2, 2014 • 4319-DS05-R
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