参数资料
型号: AS3658-BCTP
厂商: ams
文件页数: 72/158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
Figure 28. sdX_dis_curmin=1 operation
1: LX voltage, 2:coil current (1mV=1mA) 3: Vout
High efficiency operation (default setting):
Bit settings:
sdX_dis_curmin=0
In this mode there is a minimum coil current necessary before switching off the PMOS. As result there are less pulses
at low output load necessary, and therefore the efficiency at low output load is increased. This results in higher ripple,
and noisy pulse skip operation up to a higher output current.
Figure 29. sdX_dis_curmin=0 operation
1: LX voltage, 2:coil current (1mV=1mA) 3: Vout
It’s also possible to switch between these two modes during operation:
For Example:
sdX_dis_curmin=0: System is in idle state. No audio, RF signal. Decreased supply current preferred. Increased ripple
doesn’t affect system performance.
sdX_dis_curmin=1: System is operating. Audio signal on and/or RF signal used. Decreased ripple and noise preferred.
Increased power supply current can be tolerated.
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参数描述
AS3658C 功能描述:Portable Equipment PMIC 124-CTBGA (8x8) 制造商:ams 系列:- 包装:带卷(TR) 零件状态:有效 应用:便携式设备 电流 - 电源:7mA 电压 - 电源: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 供应商器件封装:124-CTBGA(8x8) 标准包装:2,500
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AS3658D 功能描述:Portable Equipment PMIC 124-CTBGA (8x8) 制造商:ams 系列:- 包装:带卷(TR) 零件状态:有效 应用:便携式设备 电流 - 电源:7mA 电压 - 电源: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 供应商器件封装:124-CTBGA(8x8) 标准包装:2,500
AS3658-DB 制造商:ams 功能描述:Demo Board + USB Box + I2S audio board
AS3658D-BCTP 功能描述:IC PMU POWER/AUDIO 124-CTBGA RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 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:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR