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參數(shù)資料
| 型號： | LM9074 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Rheostat; Series:MP; Power Rating:300W; Resistance Max:200ohm; Terminal Type:Lugs; Resistance:200ohm; Type:Rheostat |
| 中文描述： | 系統(tǒng)電壓調(diào)節(jié)與保持活動開/關(guān) |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 193K |
| 代理商： | LM9074 |
Application Information
(Continued)
MICROPROCESSOR SYSTEM REGULATOR WITH
KEEP-ALIVE INTERVAL AT TURN-OFF
The following circuit illustrates a system application utilizing
both of the logic control inputs of the LM9074. Closing the
ON/OFF switch powers ON the system. Once powered, the
system controller sets the Keep-Alive line low. The NPN
transistor is used only to signal the controller that the ON/
OFF switch has been opened and the system is to be turned
OFF. Upon detecting this high level at the ON/OFF Sense in-
put line, the controller can then perform a power down rou-
tine. The system will remain fully powered until the controller
commands total shut down by taking the Keep-Alive line
high. The system then shuts OFF and reverts to a very low
current drain standby condition until switched back on.
DS101305-26
L
www.national.com
7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM9074M | Rheostat; Series:MP; Power Rating:300W; Resistance Max:25ohm; Terminal Type:Lugs; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Resistance:25ohm; Type:Rheostat |
| LM90 | 3 Degree Celcious Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface |
| LM90CIMM | 3 Degree Celcious Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface |
| LM90CIMMX | 3 Degree Celcious Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface |
| LM9140BYZ-10.0 | Precision Micropower Shunt Voltage Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM9074EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Enhanced Plastic System Voltage Regulator with Keep-Alive ON/OFF Control |
| LM9074M | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM9074M/NOPB | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM9074MEP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Enhanced Plastic System Voltage Regulator with Keep-Alive ON/OFF Control |
| LM9074MX | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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