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Document Number: 002-14949 Rev. *G
Page 90 of 113
PRELIMINARY
CYW43353
16.4 CLDO
Table 40. CLDO Specifications
Specification
Notes
Min.
Typ.
Max.
Units
Input supply voltage, V
in
Min. = 1.2 + 0.15V = 1.35V dropout voltage requirement
must be met under maximum load.
1.3
1.35
1.5
V
Output current
–
0.2
–
300
mA
Output voltage, V
o
Programmable in 25 mV steps. Default = 1.2.V
1.1
1.2
1.275
V
Dropout voltage
At max. load
–
–
150
mV
Output voltage DC accuracy
Includes line/load regulation
–4
–
+4
%
Quiescent current
No load
–
24
–
µA
300 mA load
–
2.1
–
mA
Line regulation
V
in
from (V
o
+ 0.15V) to 1.5V, maximum load
–
–
5
mV/V
Load regulation
Load from 1 mA to 300 mA
–
0.02
0.05
mV/mA
Leakage current
Power down
–
–
20
µA
Bypass mode
–
1
3
µA
PSRR
@1 kHz, Vin ≥ 1.35V, C
o
= 4.7 µF
20
–
dB
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
External output capacitor, C
o
Total ESR: 5 mΩ–240 mΩ
1.32
1
1.
Minimum capacitor value refers to the residual capacitor value after taking into account the part-to-part tolerance, DC-bias, temperature, and aging.
4.7
–
µF
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