BCM4354KKWBGT Datasheet, PDF (164/192 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4354 Data Sheet
LNLDO
LNLDO
Table 48: LNLDO Specifications
Specification
Notes
Min. Typ. Max. Units
Input supply voltage, Vin Min. = 1.2V_o + 0.15V = 1.35V dropout
1.3 1.35 1.5 V
voltage requirement must be met under
maximum load.
Output Current
–
0.1 –
150 mA
Output Voltage, V_o
Programmable in 25 mV steps.
Default = 1.2V
1.1 1.2 1.275 V
Dropout Voltage
At maximum load
–
–
150 mV
Output Voltage DC Accuracy Includes line/load regulation
–4 –
+4 %
Quiescent current
Line Regulation
Load Regulation
No load
–
Max. load
–
V_in from (V_o + 0.1V) to 1.5V, max. load –
Load from 1 mA to 150 mA
–
44 –
µA
970 990 µA
–
5
mV/V
0.02 0.05 mV/mA
Leakage Current
Output Noise
PSRR
Power-down
–
–
@30 kHz, 60–150 mA load C_o = 2.2 µF –
–
@100 kHz, 60–150 mA load C_o = 2.2 µF
@ 1kHz, Input > 1.35V, C_o= 2.2 µF, V_o = 20
–
1.2V
10 µA
60 nV/rt Hz
35 nV/rt Hz
–
dB
LDO Turn-on Time
LDO turn-on time when rest of chip is up –
140 180 µs
External Output Capacitor, Total ESR (trace/capacitor):
C_o
5 mΩ–240 mΩ
0.5^{a 2.2 4.7 µF}
External Input Capacitor Only use an external input capacitor at the –
1
2.2 µF
VDD_LDO pin if it is not supplied from
CBUCK output.
Total ESR (trace/capacitor): 30 mΩ–200 mΩ
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^®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 163