BCM89359 Advance Data Sheet
LNLDO
LNLDO
Table 44: LNLDO Specifications
Specification
Notes
Min.
Typ.
Max. Units
Input supply voltage, Vin
Min = 1.2V + 0.15V = 1.35V dropout
1.3
1.35
1.5
V
o
voltage requirement must be met under
maximum load.
Output Current
–
0.1
1.1
–
150
mA
V
Output Voltage, V
Programmable in 25 mV steps.
Default = 1.2V
1.2
1.275
o
Dropout Voltage
At maximum load
–
–
–
150
+4
mV
%
Output Voltage DC Accuracy Includes line/load regulation
–4
±2 with
trim
Quiescent current
Line Regulation
No load
–
–
–
44
970
–
–
µA
Max load
990
5.5
µA
V from (V + 0.1V) to 1.5V, max load
mV/V
in
o
Load Regulation
Leakage Current
Output Noise
Load from 1 mA to 150 mA
Power-down
–
–
–
0.025 0.045 mV/mA
–
–
10
µA
@30 kHz, 60–150 mA load C = 2.2 µF
@100 kHz, 60–150 mA load C = 2.2 µF
60
35
nV/rt Hz
nV/rt Hz
o
o
PSRR
@ 1kHz, Input > 1.35V, C = 2.2 µF, V =
1.2V
20
–
–
–
dB
o
o
LDO Turn-on Time
LDO turn-on time when rest of chip is up
140
2.2
180
4.7
µs
a
External Output Capacitor, Total ESR (trace/capacitor):
5 mΩ–240 mΩ
µF
0.5
C
o
External Input Capacitor
Only use an external input capacitor at the –
VDD_LDO pin if it is not supplied from
CBUCK output.
1
2.2
µF
Total ESR (trace/capacitor): 30 mΩ–200 mΩ
a. Minimum capacitor value refers to the residual capacitor value after taking into account the part-to-part
tolerance, DC–bias, temperature, and aging.
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 124
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