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參數資料
| 型號： | 88C25-AF5-R |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | BUILT-IN DELAY CIRCUIT HIGH-PRECISION VOLTAGE DETECTOR |
| 中文描述： | 內置延遲電路高精度電壓檢測器 |
| 文件頁數： | 15/16頁 |
| 文件大小： | 227K |
| 代理商： | 88C25-AF5-R |
88CXX
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
8
www.unisonic.com.tw
QW-R502-040,A
V
+VDET
VDD
td
OUT
Figure 3
5. Through-type current
Through-type current refers to the current which flows instantaneously, at the time of detection and release of a
voltage detector. Through-type current is large in CMOS output devices.
6. Oscillation
In applications where a resistor is connected to the voltage detector input , in the CMOS active low products for
example, the through-type current generated when the output goes from low to high (release) causes a voltage
drop equal to [through-type current]×[input resistance] across the resistor. When the resultant input voltage drops
below the detection voltage -VDET, the output voltage returns to its low level. In this state, the through-type current
and its resultant voltage drop have disappeared, and the output goes back from low to high. A through-type current
is again generated, a voltage drop appears, and the process repeats. This unstable condition is referred to as
oscillation.
STANDARD CIRCUIT
Connect directly the CD capacitor for delay between CD and Vss terminals
VDD
CD
Vss
OUT
Figure 5
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相關代理商/技術參數 |
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| 88C25L-AF5-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:BUILT-IN DELAY CIRCUIT HIGH-PRECISION VOLTAGE DETECTOR |
| 88C26-AF5-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:BUILT-IN DELAY CIRCUIT HIGH-PRECISION VOLTAGE DETECTOR |
| 88C26L-AF5-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:BUILT-IN DELAY CIRCUIT HIGH-PRECISION VOLTAGE DETECTOR |
| 88C27-AF5-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:BUILT-IN DELAY CIRCUIT HIGH-PRECISION VOLTAGE DETECTOR |
| 88C27L-AF5-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:BUILT-IN DELAY CIRCUIT HIGH-PRECISION VOLTAGE DETECTOR |
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