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S7139SF Voltage Supervisor 3.9V SOT-23 marking 739 reset outputlow guarantee voltagelow (0.8V type)
受检测电压数 Number of Voltages Monitored | 1 |
检测电压/复位阈值电压VDET Voltage - Threshold | 3.9V |
工作电压VIN Voltage - Supply | -0.3~15V |
高/低有效复位 Reset | |
输出类型 Output Type | open collection |
看门狗 Watchdog | 无 No |
功耗Pd Power Dissipation | 300mW/0.3W |
Description & Applications | •Standard Voltage Detector •Current Consumption is Low (ICCL=300 ㎂ Typ. ICCH =30 ㎂ Typ.) • Resetting Output Minimum Guarantee Voltage is Low (0.8V Typ.) • Hysteresis Voltage is Provided (50 ㎷ Typ.) • As Control Circuit of Battery-Backed Memory • As Measure Against Erroneous Operations at Power On-Off |
描述与应用 | •标准电压检测器 •电流消耗低(ICCL=300㎂类型。ICCH=30㎂类型。) •复位输出最低保证电压低(0.8V型)。 •迟滞电压(50㎷类型。) •由于控制电路的电池备份存储器 •作为衡量对错误操作,在打开和关闭电源 |