BCM43907 Preliminary Data Sheet
CLDO
CLDO
Table 34: CLDO Specifications
Notes
Specification
Min. Typ. Max. Units
1.35 1.5
Input supply voltage, V
Min. = 1.2 + 0.15V = 1.35V dropout voltage 1.3
requirement must be met under maximum
load.
V
in
Output current
–
0.2
–
350 mA
1.26
Output voltage, V
Dropout voltage
Programmable in 10 mV steps.
Default = 1.2.V.
0.95 1.2
V
o
At max. load.
–
–
150 mV
Output voltage DC accuracy
Quiescent current
Includes line/load regulation.
No load.
–4
–
–
+4
–
%
26
2.48
–
µA
mA
200 mA load.
–
–
Line regulation
V
from (V + 0.15V) to 1.5V,
–
5
mV/V
in
o
maximum load.
Load regulation
Leakage current
Load from 1 mA to 300 mA.
Power down.
–
0.02 0.05 mV/mA
–
10
2
40
6
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 the rest of the chip
is up.
–
140 180 µs
a
External output capacitor, C
External input capacitor
Total ESR: 5 mΩ–240 mΩ.
4.7
1
–
µF
µF
o
3.76
–
Only use an external input capacitor at the
LDO_VDD1P5 pin if it is not supplied from the
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®
March 12, 2016 • 43907-DS104-R
Page 93
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