參數(shù)資料
型號： LM3708YKBP-308
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, BGA9
封裝： MICRO, BUMP, SMD-9
文件頁數(shù)： 1/11頁
文件大小： 227K
代理商： LM3708YKBP-308
LM3708/LM3709
Microprocessor Supervisory Circuits with Low Line
Output, Manual Reset and Watchdog Timer
General Description
The LM3708/LM3709 series of microprocessor supervisory
circuits provide the maximum flexibility for monitoring power
supplies and battery controlled functions in systems without
backup batteries. The LM3708/LM3709 series are available
in a 9-bump micro SMD package.
Built-in features include the following:
Reset: Reset is asserted during power-up, power-down, and
brownout conditions. RESET is guaranteed down to V
CC of
1.0V.
Manual Reset Input: An input that asserts reset when pulled
low.
Low Line Output: This early power failure warning indicator
goes low when the supply voltage drops to a value which is
2% higher than the reset threshold voltage.
Watchdog Timer: The WDI (Watchdog Input) monitors one of
the P’s output lines for activity. If no output transition occurs
during the watchdog timeout period, reset is activated.
Features
n
Standard Reset Threshold voltage: 3.08V
n
Custom Reset Threshold voltages: For other voltages
between 2.2V and 5.0V in 10mV increments, contact
National Semiconductor Corp.
n
No external components required
n
Manual-Reset input
n
RESET (LM3708) or RESET (LM3709) outputs
n
Precision supply voltage monitor
n
Factory programmable Reset and Watchdog Timeout
Delays
n
Available in micro SMD package for minimum footprint
n ±
0.5% Reset threshold accuracy at room temperature
n ±
2% Reset threshold accuracy over temperature
extremes
n
Reset assertion down to 1V V
CC (RESET option only)
n
28 A V
CC supply current
Applications
n
Embedded Controllers and Processors
n
Intelligent Instruments
n
Automotive Systems
n
Critical P Power Monitoring
Typical Application
20011703
June 2002
LM3708/LM3709
Microprocessor
Supervisory
Circuits
with
Low
Line
Output,
Manual
Reset
and
W
atchdog
T
imer
2002 National Semiconductor Corporation
DS200117
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LM371 制造商:LM TECHNOLOGIES 功能描述:PRINTER THERMAL BLUETOOTH 制造商:LM TECHNOLOGIES 功能描述:PRINTER, THERMAL, BLUETOOTH
LM3710XKBP-232 功能描述:IC MPU SUPERVISR 2.32V 9MICROSMD RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR
LM3710XKBP-463 功能描述:IC MPU SUPERVISR 4.63V 9MICROSMD RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR
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