BCM43143KMLGT Datasheet, PDF (38/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
CLDO
CLDO
Table 11: CLDO Specifications
Specification
Notes
Min Typ Max Units
Input supply voltage (V_in)
Output current^a
Output voltage (V_o)
Dropout voltage
Output voltage DC accuracy
Quiescent current
Line regulation
Load regulation
Leakage current^b
Power supply rejection ratio
(PSRR)
PMU start-up time
LDO turn-on time
In-rush current during turn-on
External output capacitor, C_o
External input capacitor
Operating temperature
Min = 1.2 + 0.1V = 1.3V
1.2 1.35 1.5 V
Dropout voltage requirement must be met
under maximum load.
–
–
–
150 mA
Programmable in 25 mV steps.
1.1 1.2 1.275 V
Default = 1.2V
At max load
–
–
100 mV
Includes line/load regulation
–4 –
+4 %
No load
– 10 – µA
V_in from (V_o + 0.1V) to 1.5V, maximum load –
–
+1.1 %V_o/V
Load from 1 mA to 150 mA
–
–
0.02 %V_o/mA
Power-down
–
–
10 µA
@1 kHz
20 –
Vin ≥ 1.35V
C_o = 2.2 µF
SR_VDDBAT5V up and stable. Time from the – –
VDDIO rising edge to the CLDO reaching
1.2V.
LDO turn-on time when rest of the chip is up – –
Measured when the output capacitor is fully – –
discharged.
Total ESR: 30–200 mΩ
1.67^{c 1}
Only use an external input capacitor at the – 1
VDD_LDO pin if it is not supplied from
CBUCK output.
Total ESR (trace/capacitor): 30 mΩ–200 mΩ
Junction temperature
–40 50
– dB
850 µs
180 µs
150 mA
– µF
2.2 µF
125 °C
a. Output current is measured at 125°C junction temperature.
b. Leakage current is measured by 85°C junction temperature.
c. Minimum capacitor value refers to the residual capacitor value after taking into account the part-to-part
tolerance, DC-bias, temperature, and aging.
Broadcom^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 37