R5108 系列
看门狗定时器,配置SENSE引脚,带VD功能
R5108 系列
看门狗定时器,配置SENSE引脚,带VD功能
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概述
The R5108 Series are CMOS-based system power ICs with a voltage detector (VD) and watchdog timer (WDT) integrated in a single chip.
R5108 monitors the power system of devices equipped with microprocessors and prevents system runaway with a reset signal when a malfunction occurs. R5108 is equipped with the function that inhibits clock monitoring of the WDT (INH). Since R5108 has a SENSE pin for monitoring voltage separately from the power pin, its reset signal does not become unstable under the condition that the power supply is sufficient to operate the IC, and the "L" can be maintained.
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规格
消费 工业 车载 输入电压范围 1.5 V to 6.0 V (7.0 V) 工作温度范围 -40°C to 105°C (125°C) -40°C to 125°C (150°C) -40°C to 125°C (150°C)
-40°C to 105°C (150°C)电源电流 Typ. 11 µA 超时时间 Typ. 310 ms (CTW = 0.1 µF) 超时时间精度 ±33% 重置信号时间 Typ. 34 ms (CTW = 0.1 µF) 封装 SSOP-8G VD检测器阈值范围 1.5 V to 5.5 V (0.1 V step) VD检测器阈值精度 ±1.0% VD检测器阈值温度系数 Typ. ±100 ppm/°C VD释放输出延迟时间 Typ. 370 ms (CD = 0.1 µF) VD Release Delay Time Accuracy ±16% ±18% ±18% (−40°C ≤ Ta ≤ 125°C)
±16% (−40°C ≤ Ta ≤ 105°C) -
技术资料
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Typical Application
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Timing Chart
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买入/样品
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线上购买
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