BCM43143KMLGT Datasheet, PDF (39/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
LNLDO
LNLDO
Table 12: LNLDO Specifications
Specification
Notes
Min Typ Max Units
Input supply voltage (V_in) Min = 1.2V_o + 0.1V = 1.3V
1.3 1.35
Dropout voltage requirement must be met
under maximum load.
Output Current
–
–
–
Output voltage (V_o)
Programmable in 25 mV steps.
Default = 1.2V
1.1 1.2
Dropout Voltage
At maximum load
–
–
Output voltage DC accuracy includes line/load regulation
–4 –
Quiescent current
No load
–
44
Line regulation
V_in from (V_o + 0.1V) to 1.5V,
maximum load
–0.3 –
Load regulation
Load from 1 mA to 300 mA
–
0.02
Transient undershoot
–
–
–
Transient overshoot
–
–
–
Leakage current
Power-down
–
–
Output noise
PSRR
PMU start-up time
@30 kHz, 60 mA load C_o = 1 µF
–
–
@100 kHz, 60 mA load C_o = 1 µF
@ 1kHz, Input > 1.3V, C_o= 1 µF, V_o = 1.2V 20
–
From power-down
–
–
LDO Turn-on Time
LDO turn-on time when rest of chip is up –
–
In-rush current during turn- Measured when the output capacitor is fully –
–
on
discharged.
External output capacitor
(C_o)
External input capacitor
Total ESR (trace/capacitor): 30 mΩ–200 _0.74^a 1
mΩ
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
Operating temperature
Junction temperature
–40 50
1.5 V
100 mA
1.275 V
100
+4
–
+0.3
mV
%
µA
%V_o/V
0.05
TBD
TBD
10
60
30
–
850
180
150
%V_o/mA
mV
mV
µA
nV/rt Hz
nV/rt Hz
dB
µs
µs
mA
2.2 µF
2.2 µF
125 °C
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^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 38