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| 型号： | NCV809STRG |
| 厂商： | ON Semiconductor |
| 文件页数： | 8/13页 |
| 文件大小： | 0K |
| 描述： | IC MICROPROC RESET MON SOT-23-3 |
| 标准包装： | 3,000 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.93V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3（TO-236） |
| 包装： | 带卷 (TR) |
MAX809 Series, MAX810 Series
Detail Operation Description
The MAX809/810 series microprocessor reset
supervisory circuits are designed to monitor the power
supplies in digital systems and provide a reset signal to the
processor without any external components. Figure 2 shows
the timing diagram and a typical application below. Initially
consider that input voltage V CC is at a nominal level greater
than the voltage detector upper threshold ( VTH ). And the
RESET (RESET) output voltage (Pin 2) will be in the high
state for MAX809, or in the low state for MAX 810 devices.
If there is an input power interruption and V CC becomes
significantly deficient, it will fall below the lower detector
threshold (V TH ? ). This event causes the RESET output to be
in the low state for the MAX809, or in the high state for the
NCP810 devices. After completion of the power
interruption, V CC will rise to its nominal level and become
greater than the V TH . This sequence activates the internal
oscillator circuitry and digital counter to count. After the
count of the timeout period, the reset output will revert back
to the original state.
Input Voltage
Reset Output
MAX809, NCP803
Reset Output
V CC
V TH+
V TH–
V CC
V TH–
0V
V CC
V TH–
MAX810
0V
t RP
Figure 15. Timing Waveforms
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCV8141 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
| NCV8141_06 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:5.0 V, 500 mA Linear Regulator with ENABLE, RESET, and Watchdog |
| NCV8141D2T | 功能描述:低压差稳压器 - LDO 5V 500mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8141D2TG | 功能描述:低压差稳压器 - LDO 5V 500mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8141D2TR4 | 功能描述:低压差稳压器 - LDO 5V 500mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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