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參數(shù)資料
| 型號： | CAT809TSDI-T3 |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | GREEN, MO-203, SC-70, 3 PIN |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 806K |
| 代理商： | CAT809TSDI-T3 |
CAT803, CAT809, CAT810
6
Doc. No. MD-3004, Rev. Y
Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
0V
CAT803, CAT809
5V
0V
5V
RESET/OUT
RESET
TR
VTH
VCC
TD
(140msec
minimum)
CAT810
0V
5V
DETAILED DESCRIPTIOnS
RESET TIMInG
The reset signal is asserted LOW for the CAT803/
CAT809 and HIGH for the CAT80 when the power
supply voltage falls below the threshold trip voltage and
remains asserted for at least 40ms after the power
supply voltage has risen above the threshold.
figure 2. Maximum Transient Duration Without Causing a Reset Pulse vs. Reset Comparator Overdrive
TRANSIENT
DURA
TION
(s)
VCC TRAnSIEnT RESPOnSE
The CAT803/CAT809/CAT80 protect Ps against
brownout failure. Short duration transients of 4sec
or less and 00mV amplitude typically do not cause a
false RESET.
Figure 2 shows the maximum pulse duration of negative-
going VCC transients that do not cause a reset condition.
figure 1. Reset Timing Diagram
As the amplitude of the transient goes further below
the threshold (increasing VTH - VCC), the maximum
pulse duration decreases. In this test, the VCC starts
from an initial voltage of 0.5V above the threshold and
drops below it by the amplitude of the overdrive voltage
(VTH - VCC).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT809TTBI-G | 制造商:ON Semiconductor 功能描述:IC SUPERVISOR 3PIN SOT23-3 |
| CAT809TTBI-GT10 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:3-Pin Microprocessor Power Supply Supervisors |
| CAT809TTBIGT3 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:3-Pin Microprocessor Power Supply Supervisors |
| CAT809TTBI-GT3 | 功能描述:監(jiān)控電路 Push-pull Act low 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT809TTBI-T | 制造商:ON Semiconductor 功能描述:SUPERVISORY CIRCUIT SOT-23-3 809 |
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