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參數(shù)資料
| 型號： | CAT869S |
| 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 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 542K |
| 代理商： | CAT869S |
1
2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 3026, Rev. B
CAT853, CAT863
CAT859, CAT869
3-Pin Microprocessor Power Supply
Supervisors
FEATURES
Precision monitoring of +3.3V (-5%, -10%), 5V
(-10% Power Supplies)
Active low reset output
Reset valid down to V
CC
= 1.0V
6
μ
A power supply current
Power supply transient immunity
Industrial temperature range: -40oC to +85oC
RoHS-compliant SOT-23 package
APPLICATIONS
Computers
Servers
Laptops
Cable modems
Wireless communications
Embedded control systems
White goods
Power meters
Intelligent instruments
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PDAs and handheld equipment
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DESCRIPTION
The CAT853, CAT863, CAT859, and CAT869 are
supervisory circuits that monitor power supplies in digital
systems.
These devices generate a reset signal, which is asserted
while the power supply voltage is below a preset threshold
level and for at least 140 ms after the power supply level
has risen above that level. Industry standard threshold
levels are offered to support +3.3V or 5.0V systems.
The CAT859 and CAT869 feature a RESET push-pull
output (active low) for the two pinout options.
The CAT853 and CAT863 feature an open drain RESET
output (active low). Both require a pull-up resistor on
the RESET output.
Fast transients on the power supply are ignored and
the output is guaranteed to be in the correct state at V
cc
levels as low as 1.0V.
PIN CONFIGURATION
THRESHOLD SUFFIX SELECTOR
Nominal Threshold
Voltage
Threshold Suf
fi
x
Designation
3.08V
2.93V
4.38V
T
S
M
For Ordering Information details, see page 8.
PIN DESCRIPTIONS
Name
RESET
Description
Active low reset. RESET is asserted if V
CC
falls below the reset threshold and remains low for at least
140ms after V
CC
rises above the reset threshold.
Ground
Power supply voltage that is monitored.
GND
V
CC
2
CAT853
CAT859
GND
RESET
V
CC
3-Lead SOT23
1
3
3-Lead SOT23
CAT863
CAT869
GND
RESET
V
CC
1
2
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT869STBI-GT3 | 功能描述:監(jiān)控電路 SUP 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 |
| CAT869TTBI-GT3 | 功能描述:監(jiān)控電路 SUP 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 |
| CAT8710FTD-GT3 | 功能描述:監(jiān)控電路 SUP4CHOPENDRAINACT 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 |
| CAT872-30ULGT3 | 功能描述:電壓監(jiān)測器/監(jiān)控器 RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| CAT872-50ULGT3 | 功能描述:監(jiān)控電路 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 |
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