BCM4339XKWBGT Datasheet, PDF (156/183 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4339 Preliminary Data Sheet
LNLDO
LNLDO
Table 49: 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
No load
–
44
–
µA
Max. load
–
970 990 µA
Line regulation
V_in from (V_o + 0.1V) to 1.5V, max load –
–
5
mV/V
Load regulation
Load from 1 mA to 150 mA
–
0.02 0.05 mV/mA
Leakage current
Power-down
–
–
10
µA
Output noise
@30 kHz, 60–150 mA load C_o = 2.2 µF –
–
60
nV/rt Hz
@100 kHz, 60–150 mA load C_o = 2.2 µF
35
nV/rt Hz
PSRR
@ 1kHz, Input > 1.35V, C_o= 2.2 µF, V_o = 20
–
–
dB
1.2V
LDO turn-on time
LDO turn-on time when rest of chip is up –
140 180 µs
External output capacitor, C_o Total ESR (trace/capacitor):
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^®
November 17, 2014 • 4339-DS106-R
Page 155