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參數(shù)資料
| 型號： | STM1061 |
| 廠商： | 意法半導體 |
| 英文描述： | Low Power Voltage Detector(低功率電壓檢測器) |
| 中文描述： | 低功耗電壓檢測器（低功率電壓檢測器） |
| 文件頁數(shù)： | 22/23頁 |
| 文件大?。?/td> | 190K |
| 代理商： | STM1061 |
Operation
STM1061
3
Operation
3.1
Output
The STM1061 Voltage Detector monitors system voltages from 1.6 to 5V in 100mV
increments. The detector is designed to ignore fast transients on VCC and has a voltage
hysteresis (VHYST). The STM1061 asserts an output signal (OUT) whenever VCC goes
below the Voltage Detect Threshold (VTH–). The output signal (OUT) stays asserted until
VCC goes above the Voltage Detect Release (VTH+). Output voltage (VOUT) is guaranteed
valid down to VCC =0.7V at 25°C.
The STM1061has an open drain active-low output which will sink current when output is
asserted. Connect a pull-up resistor from OUT to any supply voltage up to 6V (see Figure 6
on page 6). Select a resistor value large enough to register a logic low, and small enough to
register a logic high while all of the input current and leakage paths connected to the reset
output line are being supplied. A 10k pull-up is sufficient in most applications.
The advantages of open drain output is the ability to connect more open drain outputs in
parallel (wired OR connections) as well as connect the output to a power supply voltage
different from VCC.
3.2
Negative-Going VCC Transients and Undershoot
The STM1061 device is relatively immune to negative-going VCC transients (glitches). The
graph (see Figure 11 on page 11) indicates the maximum pulse width a negative VCC
transient can have without causing a reset pulse. As the magnitude of the transient
increases (further below the threshold), the maximum allowable pulse width decreases. Any
combination of duration and overdrive which lies under the curve will NOT generate a reset
signal.
A 0.1F bypass capacitor mounted as close as possible to the VCC pin provides additional
transient immunity.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| STM1061_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Power Voltage Detector |
| STM1061N16W6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Power Voltage Detector |
| STM1061N16WX6F | 功能描述:監(jiān)控電路 1.6V Active Lo Open Drain Voltage Detect RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| STM1061N17W6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Power Voltage Detector |
| STM1061N17WX6F | 功能描述:監(jiān)控電路 1.7V Active Lo Open Drain Voltage Detect RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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