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參數(shù)資料
| 型號(hào)： | CAT859 |
| 英文描述： | 3-Pin Microprocessor Power Supply Supervisors |
| 中文描述： | 3引腳微處理器電源監(jiān)控 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大小： | 542K |
| 代理商： | CAT859 |
CAT853, CAT863, CAT859, CAT869
4
Doc. No. 3026, Rev. B
2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5V
0V
5V
0V
Threshold
Voltage
140ms
minimum
Reset Timeout Period
Power
Supply
Voltage
RESET
DETAILED DESCRIPTIONS
RESET TIMING
The reset signal is asserted low for the CAT853, CAT863,
CAT859, and CAT869 when the power supply voltage falls
below the threshold trip voltage and remains asserted
for at least 140ms after the power supply voltage has
risen above the threshold.
Figure 2. Maximum Transient Duration Without Causing a Reset Pulse vs. Reset Comparator Overdrive
V
CC
TRANSIENT RESPONSE
The CAT853, CAT863, CAT859, and CAT869 protect
μ
Ps against brownout failure. Short duration transients
of 4
μ
sec or less and 100mV amplitude typically do not
cause a false RESET.
Figure 2 shows the maximum pulse duration of negative-
going V
CC
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 V
TH
- V
CC
), the maximum
pulse duration decreases. In this test, the V
CC
starts
from an initial voltage of 0.5V above the threshold and
drops below it by the amplitude of the overdrive voltage
(V
TH
- V
CC
).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CAT859M | 3-Pin Microprocessor Power Supply Supervisors |
| CAT859MTBI-G | 3-Pin Microprocessor Power Supply Supervisors |
| CAT859S | 3-Pin Microprocessor Power Supply Supervisors |
| CAT859STBI-G | 3-Pin Microprocessor Power Supply Supervisors |
| CAT859T | 3-Pin Microprocessor Power Supply Supervisors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT859CTBI-GT3 | 功能描述:監(jiān)控電路 Push-Pull Low 320mW 1.2V to 5.5V RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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 |
| CAT859FTBI-GT3 | 功能描述:監(jiān)控電路 Push-Pull Low 320mW 1.2V to 5.5V RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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 |
| CAT859MTBI-GT3 | 功能描述:監(jiān)控電路 Push-Pull Low 320mW 1.2V to 5.5V RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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 |
| CAT859STBGI-T3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT859STBI-GT3 | 功能描述:監(jiān)控電路 2.93V Push-Pull Active Low RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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 |
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