参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 78/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description-Power Management Functions
Table 70. Step Down DC/DC Bit definitions
Step Down Control3
Addr:133
Configurate the SD converters to reduce voltage drops on fast transient
high current load steps. Double the output capacitor size has to be used!
Bit
Bit Name
Default Access
Description
0
1
2
sd1_uvlimit
sd2_uvlimit
sd3_uvlimit
0
0
0
R/W
R/W
R/W
0
1
0
1
0
1
Normal operation
Enable SD1 undervoltage limit.
Normal operation
Enable SD3 undervoltage limit.
Normal operation
Enable SD3 undervoltage limit.
8.11.3 Typical Performance Characteristics
Figure 30. DC/DC step-down Efficiency (sdX_dis_curmin=0, sdX_lpo=0)
Figure 31. PCB Layout recommendation
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Revision 1v13
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