BCM43907 Preliminary Data Sheet
BBPLL LDO
BBPLL LDO
Table 36: BBPLL LDO Specifications
Conditions and Comments
Parameter
Min. Typ. Max. Units
1.35 1.5
Input supply voltage, V
Min. V = V + 0.15V = 1.35V (for V = 1.2V). 1.3
V
in
in
o
o
The dropout voltage requirement must be met
under maximum load.
Output voltage, V
Dropout voltage
Programmable in 25 mV steps.
Default = 1.2V.
1.1
1.2
1.275 V
o
At max. load
–
–
150
+4
55
12
570
5
mV
Output voltage DC accuracy Includes line/load regulation.
–4
0.1
–
–
%
Output current
Peak load = 80 mA, average = 35 mA
–
mA
µA
Quiescent current
No load
10
550
–
55 mA load
–
µA
Line regulation
Load regulation
Leakage current
V from (V + 0.15V) to 1.5V; 200 mA load
–
mV/V
in
o
load from 1mA to 200 mA; V ≥ (V + 0.15V)
–
0.025 0.045 mV/mA
in
o
Powered down. Junction temperature is 85°C. –
5
20
1.5
–
µA
µA
dB
Bypass mode
@1 kHz, V ≥ V + 0.15V, Co = 4.7 µF
–
0.2
–
PSRR
20
in
o
Start-up time of PMU
VIO up and steady. Time from REG_ON rising –
530
700
us
edge to CLDO reaching 99% of V .
o
LDO turn-on time
Inrush current
The LDO turn-on time when the rest of the chip –
is up.
140
60
180
us
Vin=Vo+0.15V to 1.5V, Co=0.47uF, no load
–
70
–
mA
µF
External output capacitor, C Ceramic, X5R, size 0201, max. 6.3V,
0.27 0.47
o
20% tolerance
External input capacitor
Only use an external input capacitor at the
LDO_VDD1P5 pin if it is not supplied from the
CBUCK output.
–
1
–
µF
Broadcom®
March 12, 2016 • 43907-DS104-R
Page 95
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