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MIC2777-31YM5TR Voltage Supervisor 3.09V SOT-153/SOT23-5 marking UN31 Dual Micro-Power Low Voltage Supervisor
| 受检测电压数 Number of Voltages Monitored | 2 |
| 检测电压/复位阈值电压VDET Voltage - Threshold | 3.09V |
| 工作电压VIN Voltage - Supply | -0.3~7V |
| 高/低有效复位 Reset | 高/低 Active High/Active Low |
| 输出类型 Output Type | |
| 看门狗 Watchdog | 无 No |
| 功耗Pd Power Dissipation | |
| Description & Applications | •Dual Micro-Power Low Voltage Supervisor •Monitors two independent power supplies for under-voltage conditions • One fixed and one user adjustable input • Choice of factory-programmed thresholds • User-adjustable input can monitor supplies as low as 0.3V • Generates 140ms (minimum) power-on RESET pulse • Manual reset capability •Both active-high and active-low RESET outputs •Input may be pulled above VDD(abs. max.) •/RST output valid down to 1.2V •Ultra-low supply current, 3.5µA typical •Monitoring processor, ASIC, or FPGA core and I/O voltages •Computer systems •PDAs, hand-held PCs •Embedded controllers •Telecommunications systems •Power supplies •Wireless / Cellular systems • Networking hardware |
| 描述与应用 | •双微功耗低电压监控器 •监控两个独立的电源欠压条件 •一个固定和一个可调的用户输入 •工厂编程阈值的选择 •用户可调的输入，可以监控电源电压低至 0.3V •产生140ms的上电复位脉冲（最小） •手动复位功能 •两个高电平有效和低电平有效复位输出 •输入可能被拉高于VDD（绝对最大值）。 / RST输出有效下降到1.2V •超低电源电流3.5μA典型 •监控处理器，ASIC或FPGA内核和I / O电压 •电脑系统 掌上电脑，掌上型电脑 •嵌入式控制器 •电信系统 •电源 •无线/蜂窝系统 •网络硬件 |
