BCM43236BKMLG Datasheet, PDF (36/43 Pages) Cypress Semiconductor – 2.4 GHz/5 GHz IEEE802.11n MAC/PHY/Radio Chip

BCM43236/BCM43236B Preliminary Data Sheet
On-Chip Regulator Power Supply Characteristics
On-Chip Regulator Power Supply Characteristics
Table 17: On-Chip Regulator Power Supply Characteristics
Value
Element
Minimum Typical Maximum Unit
2.5V–3.1V PA Reference LDO (default: off)
Vout: 2.5V to 3.1V when output A, B, C and/or D is enabled.
Control Step: 50 mV/step
Input Power Supply
2.97
3.3
3.63
V
Vout (Note 1) Programmable, 50 mV/step
2.5
2.85
3.1
V
Absolute Accuracy
–4
–
+4
%
Maximum Output Current: A, B, C and D all enabled
–
–
40
mA
Maximum Output Current: any output A, B, C, or D
–
–
10
mA
Dropout Voltage
150
–
–
mV
Startup Time
–
–
100
µs
Switching ON Time (either A or G)
Note: LDO is already powered.
20
30
100
ns
Switching OFF Time (either A or G)
Note: LDO is already powered.
1
1.3
2
ns
3.3V–1.2V RF LDO
Input power supply, Vbat
Vout (Note 1) Programmable, 50 mV/step
Absolute Accuracy
Dropout Voltage
Maximum Output Current
Startup time with 100 µs VDD
Ramp
2.97
3.30
3.63
V
1.2
–
3.0
V
–4
–
+4
%
150
–
–
mV
–
–
120
mA
–
–
50
µs
3.3V–2.5V USB LDO
Input power supply
2.97
3.30
3.63
V
Vout
2.3
2.5
2.65
V
Absolute accuracy
–4
–
+4
%
Dropout voltage
150
–
–
mV
Maximum output current
–
–
30
mA
Start-up time
–
–
50
µs
Note: It is required that the input supply be at least 200 mV higher than the output. More headroom is better
for PSRR performance.
BROADCOM ®
September 16, 2013 • 43236_43236B-DS103-R
Page 35