|
BCM4339XKUBGT 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. = 1.2Vo + 0.15V = 1.35V dropout
1.3 1.35 1.5 V
voltage requirement must be met under
maximum load.
Output current
â
0.1 â
150 mA
Output voltage, Vo
Programmable in 25 mV steps.
Default = 1.2V
1.1 1.2 1.275 V
Dropout voltage
At maximum load
â
â
150 mV
Output voltage DC accuracy Includes line/load regulation
â4
â
+4
%
Quiescent current
No load
â
44
â
µA
Max. load
â
970 990 µA
Line regulation
Vin from (Vo + 0.1V) to 1.5V, max load â
â
5
mV/V
Load regulation
Load from 1 mA to 150 mA
â
0.02 0.05 mV/mA
Leakage current
Power-down
â
â
10
µA
Output noise
@30 kHz, 60â150 mA load Co = 2.2 µF â
â
60
nV/rt Hz
@100 kHz, 60â150 mA load Co = 2.2 µF
35
nV/rt Hz
PSRR
@ 1kHz, Input > 1.35V, Co= 2.2 µF, Vo = 20
â
â
dB
1.2V
LDO turn-on time
LDO turn-on time when rest of chip is up â
140 180 µs
External output capacitor, Co Total ESR (trace/capacitor):
5 mâ¦â240 mâ¦
0.5a 2.2
4.7
µF
External input capacitor
Only use an external input capacitor at the â
1
2.2 µF
VDD_LDO pin if it is not supplied from
CBUCK output.
Total ESR (trace/capacitor): 30 mâ¦â200 mâ¦
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
|
▷ |