BCM43455 Preliminary Data Sheet
CLDO
CLDO
Table 47: CLDO Specifications
Specification
Notes
Min. Typ. Max. Units
Input supply voltage, V
Min. = 1.2 + 0.15V = 1.35V dropout voltage
requirement must be met under maximum
load.
1.3
1.35
1.5
V
in
Output current
–
0.2
–
200
mA
V
Output voltage, V
Programmable in 10 mV steps.
Default = 1.2.V
0.95
1.2
1.26
o
Dropout voltage
At max. load
–
–
150
+4
–
mV
%
Output voltage DC accuracy Includes line/load regulation
–4
–
–
Quiescent current
No load
13
1.24
–
μA
mA
200 mA load
–
–
Line Regulation
V from (V + 0.15V) to 1.5V, maximum load –
5
mV/V
in
o
Load Regulation
Leakage Current
Load from 1 mA to 300 mA
Power down
–
0.02
0.05
20
3
mV/mA
μA
–
5
1
–
Bypass mode
–
μA
PSRR
@1 kHz, Vin ≥ 1.35V, C = 4.7 μF
20
–
dB
o
Start-up Time of PMU
VIO up and steady. Time from the REG_ON
rising edge to the CLDO reaching 1.2V.
–
–
700
μs
LDO Turn-on Time
LDO turn-on time when rest of the chip is up
–
140
2.2
180
–
μs
a
External Output Capacitor,
Total ESR: 5 mΩ–240 mΩ
μF
1.1
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
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®
November 5, 2015 • 43455-DS109-R
Page 133
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