MC34161 datasheet(8/18 Pages) ONSEMI

tên linh kiện	MC34161

Giải thích chi tiết về linh kiện	Universal Voltage Monitors

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MC34161, MC33161, NCV33161

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The above figure shows the MC34161 configured as a dual positive overvoltage detector. As the input voltage increases from ground, the LED will turn ‘ON’ when

VS1 or VS2 exceeds V2. With the dashed line output connection, the circuit becomes a dual positive undervoltage detector. As the input voltage decreases from

the peak towards ground, the LED will turn ‘ON’ when VS1 or VS2 falls below V1.

For known resistor values, the voltage trip points are:

For a specific trip voltage, the required resistor ratio is:

V1 + (Vth * VH)

R2

R1

) 1

V2 + Vth

R2

R1

) 1

R2

R1

+

V1

Vth * VH

* 1

R2

R1

+

V2

Vth

* 1

Figure 16. Dual Positive Overvoltage Detector

8

+

1.27V

+

1.27V

+

2.8V

+

0.6V

+

-

2.54V

Reference

-

+

-

+

-

4

1

7

2

3

5

6

VS2

R1

R2

R1

VCC

Input VS

Output

Voltage

Pins 5, 6

V2

V1

GND

VCC

LED `ON'

VHys

GND

VS1

The above figure shows the MC34161 configured as a dual positive undervoltage detector. As the input voltage decreases towards ground, the LED will turn ‘ON’

when VS1 or VS2 falls below V1. With the dashed line output connection, the circuit becomes a dual positive overvoltage detector. As the input voltage increases

from ground, the LED will turn ‘ON’ when VS1 or VS2 exceeds V2.

V1 + (Vth * VH)

R2

R1

) 1

V2 + Vth

R2

R1

) 1

R2

R1

+

V1

Vth * VH

* 1

R2

R1

+

V2

Vth

* 1

For known resistor values, the voltage trip points are:

For a specific trip voltage, the required resistor ratio is:

Figure 17. Dual Positive Undervoltage Detector

VS1

+

1.27V

+

1.27V

+

2.8V

+

0.6V

+

-

8

-

+

-

+

-

4

1

7

2

3

5

6

VS2

2.54V

Reference

VCC

R1

R2

R1

VHys

Input VS

Output

Voltage

Pins 5, 6

V2

V1

GND

VCC

LED `ON'

GND

Số phần tương tự - MC34161

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ON Semiconductor	MC34161	364Kb / 16P	Universal Voltage Monitors April, 2000 ??Rev. 2
	MC34161	216Kb / 18P	Universal Voltage Monitors June, 2006 ??Rev. 9
	MC34161	227Kb / 18P	Universal Voltage Monitors December, 2008 ??Rev. 11
	MC34161	227Kb / 18P	Universal Voltage Monitors December, 2008 ??Rev. 11
	MC34161	190Kb / 18P	Universal Voltage Monitors November, 2015 ??Rev. 13

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Mô tả tương tự - MC34161

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ON Semiconductor	MC34161	364Kb / 16P	Universal Voltage Monitors April, 2000 ??Rev. 2
	MC34161	190Kb / 18P	Universal Voltage Monitors November, 2015 ??Rev. 13
	S10122PBIB	227Kb / 18P	Universal Voltage Monitors December, 2008 ??Rev. 11
	S1220PBID	227Kb / 18P	Universal Voltage Monitors December, 2008 ??Rev. 11
	MC34161	216Kb / 18P	Universal Voltage Monitors June, 2006 ??Rev. 9
	NCV33161DR2G	211Kb / 18P	Universal Voltage Monitors December, 2008 ??Rev. 11
Maxim Integrated Produc...	MAX8213	606Kb / 16P	Five Universal Voltage Monitors - Complete Microprocessor Voltage Monitoring Rev 1; 7/93
	MAX836	106Kb / 7P	4-Pin Micropower Voltage Monitors 19-1137; Rev 3; 5/08
	MAX836	61Kb / 6P	4-Pin Micropower Voltage Monitors Rev 0; 9/96
Intersil Corporation	X9522	375Kb / 27P	Triple DCP, Dual Voltage Monitors

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