BCM89359 Advance Data Sheet
CLDO
CLDO
Table 43: CLDO Specifications
Notes
Specification
Min. Typ. Max. Units
Input supply voltage, V
Min = 1.2 + 0.15V = 1.35V dropout voltage 1.3
requirement must be met under maximum
load.
1.35 1.5
V
in
Output current
–
0.3
1.1
–
420
mA
Output voltage, V
Programmable in 25 mV steps.
Default = 1.2.V
1.2
1.275 V
o
Dropout voltage
At max load
–
–
–
150
+4
mV
Output voltage DC accuracy
Includes line/load regulation
–4
%
±2 with
trim
Quiescent current
Line Regulation
No load
–
–
36
51
µA
420 mA load
2.65 2.71 mA
mV/V
0.025 0.045 mV/mA
V from (V + 0.15V) to 1.5V, maximum load –
–
5
in
o
Load Regulation
Leakage Current
Load from 1 mA to 420 mA
Power down
–
–
–
1
–
20
3
µA
µA
dB
Bypass mode
–
PSRR
@1 kHz, Vin ≥ 1.35V, C = 4.7 µF
20
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
4.7
180
–
µs
a
External Output Capacitor, C
Total ESR: 5 mΩ–240 mΩ
µF
o
2.2
–
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®
September 9, 2014 • 89359-DS100-R
Page 123
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