BCM4354 Data Sheet
CLDO
CLDO
Table 47: CLDO Specifications
Notes
Specification
Min. Typ. Max. Units
1.35 1.5
Input supply voltage, Vin
Min. = 1.2 + 0.15V = 1.35V dropout voltage 1.3
requirement must be met under maximum
load.
V
Output current
–
0.2
1.1
–
300 mA
1.275 V
Output voltage, Vo
Programmable in 25 mV steps.
Default = 1.2.V
1.2
Dropout voltage
At max. load
–
–
150 mV
Output voltage DC accuracy
Quiescent current
Includes line/load regulation
No load
–4
–
–
+4
–
%
24
2.1
–
µA
mA
300 mA load
–
–
Line Regulation
Vin from (Vo + 0.15V) to 1.5V, maximum load –
5
mV/V
Load Regulation
Leakage Current
Load from 1 mA to 300 mA
Power down
–
0.02 0.05 mV/mA
–
–
1
–
20
3
µA
µA
dB
Bypass mode
–
PSRR
@1 kHz, Vin ≥ 1.35V, Co = 4.7 µF
20
–
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 –
140 180 µs
1.32a
External Output Capacitor, Co
Total ESR: 5 mꢀ–240 mꢀ
4.7
1
–
µF
µF
External Input Capacitor
Only use an external input capacitor at the
VDD_LDO pin if it is not supplied from
CBUCK output.
–
2.2
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®
October 15, 2014 • 4354-DS109-R
Page 162
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