设计
Voltage Supervisors | NCV809
概览
MAX809/NCV809 和 MAX810 是一款成本高效的系统监督电路，用于监控数字系统中的 VCC，必要时为宿主处理器提供重置信号。无需外部组件。重置输出通过重置电压阈值，在 VCC 下降 10 µsec 内驱动为有效。重置将在 VCC 上升至重置阈值以上之后一个超时时段内保持有效，该时段由工厂进行微调。MAX810 是有效高电平 RESET 输出，而 MAX809 为有效低电平 RESETbar 输出。两个器件均采用 SOT-23 和 SC-70 封装。MAX809/810 适用于抑制 VCCline 上的快速瞬变故障。0.5 µA (VCC = 3.3 V) 的低电源电流使得这些器件适用于电池供电应用。
应用
- Computers
- Embedded Systems
- Battery Powered Equipment
- Critical Microprocessor Power Supply Monitoring
- Body Electronic
- Braking
- Infotainment
- Instrument Cluster
- Nagivator
- Occupant Comfort
- Occupant Protection
- Powertrain
特性
- Precision VCC Monitor for 1.5 V, 1.8V, 2.5 V, 3.0 V, 3.3 V and 5.0 V supplies
- Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps
- Four Guaranteed Minimum RESET Output Duration
(1ms, 20ms, 100ms and 140ms) - RESET Output Guaranteed to VCC = 1.0 V
- Low 1.0 µA Supply Current
- VCC Transient Immunity
- Small SOT-23 and SC-70 Package
- No External Components
- Wide Operating Temperature: -40°C to 105°C
- NCV Version for Automotive
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