LM9074 datasheet(4/9 Pages) NSC

tên linh kiện	LM9074

Giải thích chi tiết về linh kiện	System Voltage Regulator with Keep-Alive ON/OFF

PDF	9 Pages

Scroll/Zoom	100%

nhà sản xuất	NSC [National Semiconductor (TI)]

Trang chủ	http://www.national.com

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4 / 9 page

Typical Performance Characteristics (T

A = 25˚C unless indicated otherwise) (Continued)

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 level will track VOUT as the regulator turns

OFF.

Reset Delay Time

vs Temperature

DS101305-13

Simple ON/OFF control

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

DS101305-18

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)

DS101305-19

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)

DS101305-20

Safety Latch OFF of V

OUT when in Keep-Alive Mode

(ON/OFF going high required to turn Output back ON)

DS101305-21

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