NJU7703F13 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU7703F13

VOLTAGE DETECTOR

Japan Radio Corporation  

NJU7702/03

! FUNCTIONAL DESCRIPTION

(1) Basic operation

Supply voltage

(VDD)

Detection voltage

(VDET)

Minimum operation

voltage (VOPL)

VSS

Hysteresis voltage

(VHYS)

Output voltage

(VOUT)

(1) When supply voltage(VDD) drops below

Release voltage

(VDET + VHYS)

detection voltage(VDET), Output voltage(VOUT)

changes "H" to "L" to alert reset state.

(2) The reset state is kept while VDD is lower than

release voltage. The release voltage is a sum

of VDET and Hysterisis voltage (VHYS). Please

refer to the (*7) below.

(3) When VDD becomes higher than the release

voltage, then VOUT changes from "L" to "H" to

resume normal state.

(*7) VHYS is to avoid unstable VOUT state caused

by rapid voltage change at nearby VDET.

VSS

(*8): C-MOS output product (NJU7703) : When VDD less than VOPL, VOUT is free of the shaded region.

-8-

[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

Ver.2005-02-28

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