BCM43143KMLGT Datasheet, PDF (36/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
Regulator Electrical Specifications
Section 10: Regulator Electrical
Specifications
Note: Values in this data sheet are design goals and are subject to change based on the results of
device characterization.
Functional operation is not guaranteed outside of the specification limits provided in this section.
Core Buck Switching Regulator
Table 10: Core Buck Switching Regulator (CBUCK) Specifications
Specification
Notes
Input supply voltage (DC)
DC voltage range inclusive of
disturbances.
Input supply voltage (spikes) Up to 10 seconds cumulative duration
over 7 years lifetime.
10 ms maximum pulse width.
PWM mode switching frequency CCM:
Load > 100 mA
SR_VDDBAT5V = 3.6V
PWM output current
–
Output current limit
Output voltage range
PWM output voltage
DC accuracy
PWM ripple voltage, static
PWM mode peak efficiency
PFM mode efficiency
Low Power Operating mode
(LPOM) efficiency
Start-up time from power down
External inductor
External output capacitor
–
Programmable, 30 mV steps
Default = 1.35V
Includes load and line regulation.
Forced PWM mode
Measure with 20 MHz bandwidth limit.
Peak Efficiency at 200 mA load
5 mA load current
5 mA load current
VDDIO already ON and steady.
Time from REG_ON rising edge to
CLDO reaching 1.2V
0603 size, ±30%, 0.26 ±25% ohms
Ceramic, X5R, 0402,
ESR <30mΩ at 4 MHz, ±20%,
6.3V
Min
2.3
–
2
–
–
1.2
–4
–
78
–
–
–
1.2
2.53^b
Typ
3.6
–
4
–
1390
1.35
–
7
84
65
80
–
2.2
4.7
Max
5.25
5.5
6
500^a
–
1.5
4
20
–
–
–
850
3.3
10
Units
V
V
MHz
mA
mA
V
%
mVpp
%
%
%
µs
µH
µF
Broadcom^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 35