BCM4319XKUBGT Datasheet, PDF (72/84 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/ Radio with Integrated SDIO and USB Interfaces

BCM4319 Preliminary Data Sheet
LNLDO1, LNLDO2
LNLDO1, LNLDO2
Table 25: LNLDO1^a, LNLDO2
Specification
Notes
Minimum Typical Maximum Units
Input supply voltage
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
Output voltage
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
Absolute accuracy
–
Output current for LNLDO1
–
Output current for LNLDO2
–
Quiescent current for LNLDO1
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
Quiescent current for LNLDO2, 3, 4 LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
Leakage current for LNLDO1
LNLDO1_pu = 0
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
Leakage current for LNLDO2, 3, 4 LNLDO1_pu = 0
LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
Output noise @30 kHz, 50 mA load LNLDOi_vo_sel = 0
LNLDOi_vo_sel = 1
PSR for LNLDO
@1 kHz, 150 mV
dropout
Dropout voltage
–
Start-up time
–
1.35
1.4
3.0
3.3
1.10
1.225
2.5
2.5
–
–
–
–
–
–
–
31
–
110
–
29
–
108
–
–
–
0.1
–
0.1
–
–
–
0.1
–
0.1
–
20
–
31
–
50
150
–
–
–
2.0
V
3.6
1.35
V
3.1
±4
%
150
mA
50
mA
44
μA
206
42
μA
202
–
μA
5
9
–
μA
2
4
– nV/ Hz
–
–
dB
–
mV
0.5
ms
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
Total Quiescent Current from VBAT Burst Mode
–
Low Power Burst Mode –
Power Down
–
Input Supply Voltage Ramp-up Time 0 to 4.3V
44
4.3 to 5.5V
100
100^a
–
50^a
–
11
–
–
–
–
–
a. Assumes CBUCK load current = 0 uA, with PALDO, CLDO, and LNLDOs powered down.
Units
uA
uA
uA
uS
uS
Broadcom^®
April 2, 2014 • 4319-DS05-R
Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/Radio
Page 71