BCM43143KMLGT Datasheet, PDF (37/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
Core Buck Switching Regulator
Table 10: Core Buck Switching Regulator (CBUCK) Specifications (Cont.)
Specification
Notes
Min Typ Max Units
External input capacitor
For SR_VDDBATP5V pin,
Ceramic, X5R, 0603,
ESR < 30 mΩ at 4 MHz, ± 20%,
6.3V,
4.7 μF
Operating junction temperature –
Input supply voltage ramp-up 0 to 4.3V
time
0.76^{b 4.7}
–
µF
–40 50
40
–
125 °C
–
µs
a. 500 mA TT junction temp 110°C. Derate to 372 mA for T_j > 125°C.
b. 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 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 36