Datasheet > VDD30MCTA

VDD30MCTA

更新时间： 2022-04-22 15:11:37

品牌	Logo	应用领域
安纳森 - ANASEM		/
页数	文件大小	规格书
20页	1320K
描述
Low voltage, Low power, 1% High detect accuracy CMOS Voltage Detector with Delay circuit

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VDD30MCTA 数据手册

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

Rev. E13-01

VDD Series

DESCRIPTION OF OPERATION

General operation (CMOS Output)

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

Delay

Circuit

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

min. operating voltage, the output becomes

unstable, or goes to VIN when the output is

Detection voltage (VDET

)

pulled 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) rises above the detection

voltage (VDET) as long as it does not exceed

the release voltage (VREL) level.

Output voltage (VOUT

)

Release voltage (VREL

)

Detection voltage (VDET

)

E. Following delay time, the N-ch transistor

Hysteresis range (VHYS

becomes OFF when the input voltage (VIN

)

Delay time (TDLY

Min. operating voltage

Power ground (VSS

)

rises above the release voltage (VREL), 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).

)

A B

D E

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