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BCM89359KUBG 参数 Datasheet PDF下载

BCM89359KUBG图片预览
型号: BCM89359KUBG
PDF下载: 下载PDF文件 查看货源
内容描述: [Telecom Circuit, 1-Func, PBGA194, WLBGA-194]
分类和应用: 电信电信集成电路
文件页数/大小: 156 页 / 3627 K
品牌: CYPRESS [ CYPRESS ]
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BCM89359 Advance Data Sheet  
Internal Regulator Electrical Specifications  
Section 16: Internal 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 39: Core Buck Switching Regulator (CBUCK) Specifications  
Specification  
Notes  
Min.  
Typ.  
Max. Units  
a
Input supply voltage (DC)  
DC voltage range inclusive of  
disturbances.  
3.0  
3.6  
V
4.8  
PWM mode switching frequency CCM, Load > 100 mA VBAT = 3.6V  
2.8  
4
5.2  
MHz  
mA  
mA  
V
PWM output current  
Output current limit  
Output voltage range  
600  
1400  
1.35  
Programmable, 30 mV steps  
Default = 1.35V  
1.2  
1.5  
4
PWM output voltage  
DC accuracy  
Includes load and line regulation.  
Forced PWM mode  
–4  
%
±2 with  
trim  
PWM ripple voltage, static  
Measure with 20 MHz bandwidth limit.  
7
20  
mVpp  
Static Load. Max Ripple based on  
VBAT = 3.6V, Vout = 1.35V,  
Fsw = 4 MHz, 2.2 µH inductor L > 1.05 µH,  
Cap + Board total-ESR < 20 m,  
C
> 1.9 µF, ESL<200 pH  
out  
PWM mode peak efficiency  
PFM mode efficiency  
Peak Efficiency at 200 mA load  
10 mA load current  
78  
86  
80  
%
%
μs  
Start-up time from  
power down  
VIO already ON and steady.  
Time from REG_ON rising edge to CLDO  
reaching 1.2V  
500  
b
External inductor  
0806 size, ± 30%, 0.11 ± 25% Ohms  
2.2  
4.7  
μH  
μF  
0.67  
c
d
External output capacitor  
Ceramic, X5R, 0402,  
ESR <30 mat 4 MHz, ± 20%, 6.3V  
2.0  
10  
c
External input capacitor  
For SR_VDDBATP5V pin,  
ceramic, X5R, 0603,  
ESR < 30 mat 4 MHz, ± 20%, 10V,  
4.7 µF  
4.7  
μF  
0.67  
Broadcom®  
September 9, 2014 • 89359-DS100-R  
Page 118  
BROADCOM CONFIDENTIAL