lm9074mx National Semiconductor Corporation, lm9074mx Datasheet
lm9074mx
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lm9074mx Summary of contents
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... OFF to a low quiescent current state (60 µA max). Connection Diagram and Ordering Information © 2005 National Semiconductor Corporation Design techniques have been employed to allow the regu- lator to remain operational and not generate false reset signals when subjected to high levels of RF energy (300V/m from 2 MHz to 400 MHz) ...
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Absolute Maximum Ratings Input Voltage ON/OFF, Keep-Alive Inputs (through 1 kΩ) DC Input Voltage < Positive Input Transient (t 100 ms) < Negative Input Transient (t 1 ms) Reset Output Sink Current Power Dissipation Junction Temperature ESD Susceptibility (Note 2) ...
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Electrical Characteristics The following specifications apply for V Symbol Parameter CONTROL LOGIC I Input Current, ON/OFF Input ON/OFF Rpu Internal Pull-up Resistance, KA Keep-Alive Input Rpd Internal Pull-down Resistance ON/OFF ON/OFF Input Note 1: Absolute Maximum Ratings indicate limits beyond ...
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Typical Performance Characteristics (T = 25˚C unless indicated otherwise) A Turn ON Characteristics ON/OFF, Keep-Alive and Safety Latch-Off Control Diagrams Note: If Keep-Alive is provided by a microprocessor powered by the output voltage of the LM9074, the logic “1” voltage ...
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ON/OFF, Keep-Alive and Safety Latch-Off Control Diagrams (Continued) Switch ON with ON/OFF input; Keep output biased with Keep-Alive; Hold ouput ON with ON/OFF; Turn OFF with ON/OFF input. (Temporary Keep-Alive Mode) Control Logic Truth Table ON/OFF Keep-Alive Output Input Input ...
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Block Diagram Application Information The LM9074 voltage regulator has been optimized for use in microprocessor based automotive systems. Several unique design features have been incorporated to address many FMEA (Failure Mode Effects Analysis) concerns for fail-safe system performance. FAULT TOLERANT ...
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Application Information An output bypass capacitor of at least 0.1µF is required for stability (47 µF is recommended). An input capacitor of 1 µF or larger is recommended to improve line transient and noise performance. With the Keep-Alive input, a ...
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Application Information hold the micro in a reset condition for a programmable time interval to allow the system operating voltages and clock to stabilize before executing code. The typical delay time interval can be estimated using the following equation: MICROPROCESSOR ...
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Application Information (Continued) 9 10130525 www.national.com ...
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Physical Dimensions inches (millimeters) unless otherwise noted 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 ...