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參數資料
型號: DS1818
英文描述: 3.3V EconoReset with Pushbutton
文件頁數: 1/5頁
文件大小: 61K
代理商: DS1818
1 of 5
111999
FEATURES
Automatically restarts a microprocessor after
power failure
Monitors pushbutton for external override
Maintains reset for 150 ms after V
CC
returns
to an in-tolerance condition
Reduces need for discrete components
Precision temperature-compensated voltage
reference and voltage sensor
Accurate 5%, 10% or 20% power monitoring
Low-cost TO-92 or space saving surface
mount SOT-23 packages available
Efficient open-drain output with internal
5.5 k
=
pull-up resistor
Operating temperature -40
°
C to +85
°
C
PIN ASSIGNMENT
PIN DESCRIPTION
TO-92
1
RST
2
V
CC
3
GND
Active Low Reset Output
Power Supply
Ground
SOT-23
1
2
3
RST
V
CC
GND
Active Low Reset Output
Power Supply
Ground
DESCRIPTION
The DS1818 EconoReset uses a precision temperature-compensated reference and comparator circuit to
monitor the status of the power supply (V
CC
). When an out-of-tolerance condition is detected, an internal
power-fail signal is generated which forces reset to the active state. When V
CC
returns to an in-tolerance
condition, the reset signal is kept in the active state for approximately 150 ms to allow the power supply
and processor to stabilize.
The DS1818 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is
generated upon release and the DS1818 output will be held in reset output low for typically 150 ms.
DS1818
3.3V EconoReset with Pushbutton
www.dalsemi.com
1
2
3
SOT-23 PACKAGE
1 2 3
1 2 3
TO-92 PACKAGE
See Mech.
Drawings Section
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相關代理商/技術參數
參數描述
DS1818-10 功能描述:監控電路 3.3V EconoReset w/Pushbutton RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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
DS1818-10/T&R 制造商:Maxim Integrated Products 功能描述:ECONORST 3.3V 10% W/PBRST TO92 T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONRST 3.3V W/PB 10% TO92-3
DS1818-10/T&R 功能描述:監控電路 3.3V EconoReset w/Pushbutton RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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
DS1818-10+ 功能描述:監控電路 3.3V EconoReset w/Pushbutton RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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
DS1818-10+T&R 制造商:Maxim Integrated Products 功能描述:MXMDS1818-10+T&R 3.3V ECONORESET WITH PU 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.88V 35UA 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONRST 3.3V W/PB 10% TO92-3
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