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系统监控器、监视器和控制器

0.5V 以上的电源电压监控器可在纤巧型封装内集成多达 6 个电源监视器。许多器件具有一种用户可选门限功能。

监控电路
单电源监视器
双电源监视器
三电源监视器
四或更多电源监视器
排序器、跟踪器和裕度调节控制器
按钮控制器
扇速控制器
电源监视器
排序器、跟踪器和裕度调节控制器: 允许用户选择电源斜坡上升和斜坡下降的顺序并自动控制输出 (包括对 DC/DC 转换器模块的支持) 的电源控制器。(10)
型号 Number of Supplies Supply Voltage Range Max Controlled Voltage Features Comments Sequencing Tracking Packages 数据手册DataSheet下载
LTC2920-1 1 2.2V to 6V Margining Single Power Supply Margining Controller no no SOT-23 LTC2920-1
LTC2920-2 2 2.2V to 6V Margining Dual Power Supply Margining Controller no no MS-8 LTC2920-2
LTC2921 5 2.5V, 3.3V or 5V 12V Tracking 3 remote sense switches for voltage drop compensation. Limited sequencing possible no yes SSOP-16 LTC2921
LTC2922 5 2.5V, 3.3V or 5V 12V Tracking 5 remote sense switches for voltage drop compensation. Limited sequencing possible no yes SSOP-16 LTC2922
LTC2923 3 2.9V to 5.5V Tracking Three tracking options available. Controls two supplies without series FETs or a third supply with a series FET yes yes MS-10, DFN-12 LTC2923
LTC2924 6 3V to 6V Sequencing Quad Power Supply Sequencer yes no SSOP-16 LTC2924
LTC2925 4 2.9V to 5.5V Tracking Remote sense switch for voltage drop compensation Controls three supplies without series FETs or a fourth supply with a series FET yes yes SSOP-24, DFN-24 LTC2925
LTC2926 3 2.9V to 5.5V Tracking MOSFET-Controlled Power Supply Tracker yes yes QFN-20, SSOP-20 LTC2926
LTC2927 1 2.9V to 5.5V 10V Tracking Single Power Supply Tracking Controller no yes DFN-8, SOT-23-8 LTC2927
LTC2928 4 2.9V to 16.5V 16.5V Sequencing, Supervisor Multichannel Power Supply Sequencer and Supervisor yes no QFN-38, SSOP-36 LTC2928