NCV8668ABPD50R2G datasheet(11/18 Pages) ONSEMI

Part #	NCV8668ABPD50R2G

Description	Very Low I 150 mA LDO Regulator with Window Watchdog, Enable and Reset

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Manufacturer	ONSEMI [ON Semiconductor]

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NCV8668

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11

TYPICAL CHARACTERISTICS

Vin

t

Vout

t

VRO

t

VRT+VRhys

<tRR

tRD

tRR

VROH

VROL

VRT

Figure 24. Reset Function and Timing Diagram

Reset &

Disabled

Watchdog

Reset

Trigger

Long

Open

Window

Open

Window

Closed

Window

Ignore

Window

Disabled

Watchdog

No Trigger

Trigger

No Trigger

Trigger

WD_ON

WD_OFF or

Iout < Iout_WD_OFF

WD_OFF or

Iout < Iout_WD_OFF

WD_OFF or

Iout < Iout_WD_OFF

WD_OFF or

Iout < Iout_WD_OFF

WM1

L

H

WM2

L

H

L

H

Window Watchdog Mode

FAST

SLOW

FAST

OFF

Reset Mode

FAST

SLOW

Figure 25. Window Watchdog State Diagram, Watchdog and Reset Modes

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NCV8668ABPD50R2G Datasheet(PDF) 11 Page - ON Semiconductor

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