LM9074 Datasheet, PDF(5/12 Page) National Semiconductor (TI) – System Voltage Regulator with Keep-Alive ON/OFF

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LM9074 Datasheet, PDF (5/12 Pages) National Semiconductor (TI) – System Voltage Regulator with Keep-Alive ON/OFF

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Typical Performance Characteristics

(TA = 25ËC unless indicated otherwise)

Turn ON Characteristics

Turn OFF Characteristics

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Reset Delay Time

vs Temperature

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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 â1â voltage level will track VOUT as the

regulator turns OFF.

Simple ON/OFF control

(Keep-Alive input must be high to turn OFF output)

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Keep-Alive Mode; Turn ON with ON/OFF control,

Keep output biased with Keep-Alive input,

Turn OFF with Keep-Alive (Keep-Alive low keeps

output ON, Keep-Alive going high turns output OFF)

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