Datasheet > VDA3010CTA

VDA3010CTA

更新时间： 2022-04-22 14:56:52

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描述
Low voltage, Low power, 1% High detect accuracy CMOS Voltage Detector

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VDA3010CTA 数据手册

Low voltage, Low power, ±1% High detect accuracy CMOS Voltage Detector

Rev. E13-01

VDA Series

DESCRIPTION OF OPERATION

General operation (CMOS Output)

In reference to following the block diagram of CMOS output VDA series ;

P-ch

N-ch

Voltage

Reference

OUT

Vss

A. When the input voltage (VIN) is higher than the release voltage (VREL), the input voltage (VIN) is

provided at the output terminal because N-ch transistor is OFF and the P-ch transistor is ON. And,

the output maintains the same level of input as long as the input voltage remains above the detection

voltage (VDET).

B. When the input voltage (VIN) falls below the

detection voltage (VDET), the N-ch transistor is

ON and the P-ch transistor is OFF. And, the

output voltage (VOUT) is same as ground level

(VSS).

[ TIMING CHART ]

Input voltage (VIN

)

Release voltage (VREL

)

C. When the input voltage (VIN) falls below the

minimum operating voltage, the output becomes

unstable, or goes to VIN when the output is pulled

Detection voltage (VDET

)

up to VIN

Min. operating voltage

Power ground (VSS

)

D. When the input voltage (VIN) rises above the

minimum voltage, the ground voltage (VSS) level

is maintained even though the input voltage (VIN

)

Output voltage (VOUT

)

rises above the detection voltage (VDET) as long

as it does not exceed the release voltage (VREL

)

Release voltage (VREL

)

level.

Detection voltage (VDET

)

E. When the input voltage (VIN) rises above the

release voltage (VREL), the N-ch transistor

becomes OFF and the P-Ch transistor becomes

ON. And, the output voltage (VOUT) is equal to

input voltage (VIN). This difference between VDET

and VREL is hysteresis range (VHYS).

Hysteresis range (VHYS

Min. operating voltage

Power ground (VSS

)

A B

D E

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