BCM43455 Datasheet, PDF (134/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
CLDO
CLDO
Table 47: CLDO Specifications
Specification
Notes
Min. Typ. Max. Units
Input supply voltage, V_in
Output current
Output voltage, V_o
Dropout voltage
Output voltage DC accuracy
Quiescent current
Line Regulation
Load Regulation
Leakage Current
PSRR
Start-up Time of PMU
LDO Turn-on Time
External Output Capacitor,
C_o
External Input Capacitor
Min. = 1.2 + 0.15V = 1.35V dropout voltage 1.3
requirement must be met under maximum
load.
–
0.2
Programmable in 10 mV steps.
0.95
Default = 1.2.V
At max. load
–
Includes line/load regulation
–4
No load
–
200 mA load
–
V_in from (V_o + 0.15V) to 1.5V, maximum load –
Load from 1 mA to 300 mA
–
Power down
–
Bypass mode
–
@1 kHz, Vin ≥ 1.35V, C_o = 4.7 μF
20
VIO up and steady. Time from the REG_ON –
rising edge to the CLDO reaching 1.2V.
LDO turn-on time when rest of the chip is up –
Total ESR: 5 mΩ–240 mΩ
1.1^a
Only use an external input capacitor at the –
VDD_LDO pin if it is not supplied from CBUCK
output.
1.35
–
1.2
–
–
13
1.24
–
0.02
5
1
–
–
140
2.2
1
1.5
200
1.26
150
+4
–
–
5
0.05
20
3
–
700
180
–
2.2
V
mA
V
mV
%
μA
mA
mV/V
mV/mA
μA
μA
dB
μs
μs
μF
μF
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 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 133