LM9073T National Semiconductor, LM9073T Datasheet
LM9073T
Related parts for LM9073T
LM9073T Summary of contents
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... Continuous operation for save routines and E programing after power down command n Safety relates systems − EMC operational with a system watchdog monitor DS101296-1 See NS Package Number TA11B DS101296 PRELIMINARY April 2000 2 PROM 11 Lead TO−220 Package DS101296-2 Top View Order Number LM9073T www.national.com ...
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Block Diagram www.national.com 2 DS101296-3 ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage Input Voltage (transient, t 400mS) Forced Output Voltages Main Output External Supply Output ON/OFF Input Voltage(Note 6) ON/OFF Input Current Keep Alive In, Reset Out, C ...
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Electrical Characteristics The following specifications apply for 6V 0.3 on each regulator output. Symbol Parameter Input Current Additional Input Current with IN ON both Regulators ON Additional Input Current when in LIN DO Dropout Reset Output V Low Switching Threshold ...
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Electrical Characteristics Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. “Operating Ratings” indicate conditions for which the device is functional, but do not guarantee specific performance limits. “Electrical Characteristics” state DC and AC ...
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Electrical Characteristics Output Voltages at Input Voltage Extremes External Supply Output Short Circuit Current Watchdog and Reset Delay Time vs Temperature www.national.com (Continued) Main Output Dropout Voltage vs Load Current DS101296-8 Output Short Circuit Current vs Temperature DS101296-10 Maximum Power ...
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Electrical Characteristics Output Capacitor ESR (Continued) DS101296-14 7 www.national.com ...
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Electrical Characteristics www.national.com (Continued) 8 ...
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Control Logic Truth Table ON/OFF Input Keep-Alive Input Main Output Voltage External Supply Output L L Rising Edge Falling Edge H L Rising Edge Application Information Pin Description and Functionality The LM9073 is a precision ...
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Application Information ranging up to 700mA. This relatively high level of output cur- rent is sufficient to provide power to a large number of load circuits in a variety of module applications. This output has a short to ground current ...
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Application Information The Delay Capacitor (C ) controls a time interval during DELAY which the Reset Output remains low after the Main Output has established normal operating condition. This feature holds the system in reset for a time to allow ...
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Application Information A low to high transition is required during the watchdog timer interval at the trigger input. If this line is ever fixed high the timer will time-out and the system will reset. ON/OFF Input (pin 3) The ON/OFF ...
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Application Information To initiate the Keep-Alive routine before actual power down important for the system controller to know when the sys- tem has been switched OFF. To eliminate any interface be- tween the controller and the ON/OFF switch ...
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Application Information Figure 6. Simple Logic Configuration to Provide ON/OFF Sensing Input Stability Low dropout voltage regulators which utilize a PNP power transistor usually exhibit a large increase in current when in < dropout (Vin 5.5V). This increase is caused ...
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Application Information In the event that an oscillation is present, input bypassing can also help de-tune the resonance. Figure 7 illustrates two input bypassing approaches. The straight forward addition of a larger valued electrolitic capacitor could suffice. In this case ...
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Application Information Electro-Magnetic Compatibiltiy (EMC) Systems utilizing the LM9073 will not experience loss of sup- ply or false reset signals from the regulator when subjected to high frequency interference from a standard Bulk Current Injection test (ISO11452 Part 4 test ...
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Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM9073S NS Package Number TS11B 17 www.national.com ...
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... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted (Continued) Order Number LM9073T NS Package Number TA11B 2 ...