A5349 데이터 시트보기 (PDF) - Allegro MicroSystems

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A5349

AC SMOKE DETECTOR WITH INTERCONNECT AND TIMER

Allegro MicroSystems 

5349

AC SMOKE DETECTOR

with INTERCONNECT

and TIMER

V12

OSC. CAP

INTERNAL

CLOCK

LED

SMOKE

COMPARATOR

HORN

TIMING DIAGRAMS IN TYPICAL APPLICATION

NO ALARM

NO LOW BATTERY

STANDBY MODE

NON-TIMER MODE

ALARM

NO LOW BATTERY

ALARM AND

LOW BATTERY

NO ALARM

LOW BATTERY

1.67 s

10 ms

40 ms

24 CLOCK CYCLES

LED ON

SAMPLE

24 CLOCK CYCLES

12 CLOCK CYCLES

LED OFF

6 CLOCK

CYCLES

6 CLOCK

CYCLES

30 CLOCK CYCLES

HORN OFF

ON

LOW BATTERY

WARNING

SMOKE

CHAMBER

V15 > V13 (NO SMOKE)

V12

OSC. CAP

INTERNAL

CLOCK

TIMER

START

1.67 s

10 ms

V15 < V13 (SMOKE)

TIMER MODE

368 CLOCK CYCLES

Dwg. WC-006

TIMER

OUT

LED

HORN

6 CLOCK CYCLES

ON

OFF

ON

OUTPUTS OFF

OFF

END OF TIMER

NOTIFICATION

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

Dwg. WC-007

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