LM8365
- Extremely-Low Quiescent Current: 0.62 µA at
VIN = 2.6 V - High Accuracy Threshold Voltage (±2.5%)
- Open-Drain Output
- Programmable Output Delay by External Capacitor
(130 ms Typical With 0.1 µF) - Input Voltage Range: 1 V to 6 V
- Pin-for-Pin Compatible With MC33465
The LM8365 device is a micropower undervoltage sensing circuit that is ideal for use in battery-powered microprocessor based systems, where extended battery life is a key requirement.
Threshold voltages of 2.7 V and 4.5 V are available with an active-low, open-drain output. These devices feature a very-low quiescent current of 0.65 µA typical. The LM8365 features a highly accurate voltage reference, a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation, a time delayed output which can be programmed by the system designer, and specified Reset operation down to 1 V with extremely-low standby current.
技术文档
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| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | LM8365 Micropower Undervoltage-Sensing Circuit With Programmable Output Delay 数据表 (Rev. C) | PDF | HTML | 2015-12-31 | ||
| 选择指南 | Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) | 2020-2-28 | ||||
| 电子书 | 电压监测仪和电压检测器：提示、技巧和基础知识 | 英语版 | 2019-8-28 | |||
| 选择指南 | 电源管理指南 2018 | 2018-7-31 | ||||
| 技术文章 | Selecting voltage detectors, supervisors, and reset ICs for system safety: part 2 | PDF | HTML | 2016-10-21 |
设计与开发
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参考设计
TIDA-010008 — 用于为电网应用提供瞬态保护且基于平缓钳位 TVS 的参考设计
该参考设计采用多种方法，使用平缓钳位浪涌保护、ESD 器件、电子保险丝或负载开关，来保护交流或直流模拟输入、直流模拟输出、交流或直流二进制输入、带高侧或低侧驱动器的数字输出、LCD 偏置电源、USB 接口（电源和数据）和具有 24V、12V 或 5V 输入的板载电源（用于多个电网应用），防止过压、过载和瞬态（1.2/50µs，42Ω）的影响。该设计可监测温度、湿度、磁场和电源以进行诊断。
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| SOT-23 (DBV) | 5 | Ultra Librarian |