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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM9073 датащи(PDF) 1 Page - National Semiconductor (TI) |
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LM9073 датащи(HTML) 1 Page - National Semiconductor (TI) |
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1 / 18 page  LM9073 Dual High Current Low-Dropout System Regulator General Description The LM9073 is a high performance voltage regulator system with operational and protection features that address many requirements of automotive applications. Two regulated out- puts are provided. The main regulator provides a precision 2% tolerance 5V output at 700mA with a low dropout charac- teristic. The second output, an External Supply regulator, provides a 5V output with 2% tolerance for load currents up to 100mA. This External Supply output is fully protected from short circuit to ground or the unregulated input supply (igni- tion or battery potentials in automotive applications) which makes it suitable for powering remotely located load circuits or sub-systems. The LM9073 also contains a programmable delayed system reset output. Two control inputs are provided. An ON/OFF in- put intended for connection to an ignition switch, and a Keep Alive input whereby a system can remain powered after igni- tion has been switched OFF. Additionally, a watchdog func- tion is built in to enhance system operationally reliability. For EMC concerns the LM9073 remains fully operational and does not generate false rest signals while subjected to greater than 100mA, 1MHz to 400MHz bulk current injection signals on the input supply and External Supply output lines. Features n Two 5V regulated outputs: n 700mA, 2% Main output n 100mA, 2% External Supply output n External Supply output protected from shorts to battery n Good EMI (1MHz to 400MHz, BCI) immunity n Separate ON/OFF and Keep-Alive control inputs n Less than 100µA quiescent current in OFF state n Programmable delayed reset output n Adjustable threshold voltage for generating reset n Built-in system watchdog timer n Input transient protection over 60V to −45V n Less than 1V dropout at full load n Wide −40˚C to 125˚C operating temperature range n Surface mount, TO−263 and standard TO−220 power packages Applications n Automotive module supply power conditioning n Remote sub−system powering n Continuous operation for save routines and E 2PROM programing after power down command n Safety relates systems − EMC operational with a system watchdog monitor Connection Diagram 11 Lead TO−263 Package DS101296-1 Top View Order Number LM9073S See NS Package Number TS11B 11 Lead TO−220 Package DS101296-2 Top View Order Number LM9073T See NS Package Number TA11B PRELIMINARY April 2000 © 2000 National Semiconductor Corporation DS101296 www.national.com |
Аналогичный номер детали - LM9073 |
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Аналогичное описание - LM9073 |
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