BCM43903 Datasheet, PDF (72/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor

BCM43903 Preliminary Data Sheet
CLDO
CLDO
Table 26: CLDO Specifications
Specification
Notes
Min. Typ. Max. Units
Input supply voltage, V_in
Output current
Output voltage, V_o
Dropout voltage
Output voltage DC accuracy
Quiescent current
Line regulation
Load regulation
Leakage current
PSRR
Start-up time of PMU
LDO turn-on time
External output capacitor, C_o
External input capacitor
Min. = 1.2 + 0.15V = 1.35V dropout voltage 1.3 1.35
requirement must be met under maximum
load.
–
0.2 –
Programmable in 10 mV steps.
Default = 1.2.V.
0.95 1.2
At max. load.
––
Includes line/load regulation.
–4 –
No load.
– 26
200 mA load.
– 2.48
V_in from (V_o + 0.15V) to 1.5V,
maximum load.
––
Load from 1 mA to 300 mA.
– 0.02
Power down.
– 10
Bypass mode.
–2
@1 kHz, Vin ≥ 1.35V, C_o = 4.7 µF.
20 –
VIO up and steady. Time from the REG_ON – –
rising edge to the CLDO reaching 1.2V.
LDO turn-on time when the rest of the chip – 140
is up.
Total ESR: 5 mΩ–240 mΩ.
3.76^{a 4.7}
Only use an external input capacitor at the – 1
LDO_VDD1P5 pin if it is not supplied from the
CBUCK output.
1.5
350
1.26
150
+4
–
–
5
0.05
40
6
700
180
–
2.2
V
mA
V
mV
%
µA
mA
mV/V
mV/mA
µA
µA
dB
µs
µs
µF
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^®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 71