NCP301LSN18T1 데이터 시트보기 (PDF) - ON Semiconductor

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NCP301LSN18T1

Voltage Detector Series

ON Semiconductor 

NCP300, NCP301

5.0 V

Test Data

R1 = 100 kW

C (nF)

0.01

R2 = 82 kW

fOSC (kHz)

10.4

IQ (mA)

18

R2 = 8.2 kW

fOSC (kHz)

6.0

IQ (mA)

30

2 Input

0.068

9.8

18

5.7

30

R2 (See table)

1.0

6.18

21

3.6

29

C

NCP3010

1

HLSN27T1

Reset Output

10

1.41

100

0.27

21

1.34

25

22

0.356

23

3 GND

1000

0.045

22

0.077

22

Table values are for information only.

Figure 30. Simple Clock Oscillator

Rsense

Vsupply

Load

VDD

2 Input

NCP301

LSN2079T1

50 k

1

Reset Output

Microcontroller

3 GND

GND

This circuit monitors the current at the load. As

current flows through the load, a voltage drop with

respect to ground appears across Rsense where

Vsense = Iload * Rsense. The following conditions apply:

If:

ILoad t VDET − /Rsense

ILoad w (VDET −+VHYS)/Rsense

Then:

Reset Output = 0 V

Reset Output = VDD

Figure 31. Microcontroller System Load Sensing

http://onsemi.com

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