MC34160DW datasheet(7/10 Pages) ONSEMI

Part #	MC34160DW

Description	100 mA, 5.0 V Voltage Regulator and Supervisory Circuit for Microprocessors

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Manufacturer	ONSEMI [ON Semiconductor]

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MC34160, MC33160

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7

Figure 12. Line Loss Detector Application

=

Sink Only

Positive True Logic

AC

Line

Line Loss Output

Vref

MPU Reset

CO

VO

Uncommitted

Comparator

4, 5, 12, 13

2.6 V

Reference

Thermal

Shutdown

Power

Warning

Vin

Rin

Chip

Disable

Reset

R

.01 R

IH On/Off

Cin

VCC

14

15

9

10

2

1

0.913 R

11

7

10

8

6

IH

+

−

+

A

RDLY

CDLY

Pin 6

Pin 8

2.6 V

tDLY ≈ RDLY CDLY ln

IH RDLY − VO

Vref + IH R1 − VO + IH RDLY

+

−

+

−

+

−

R1

Point A

Figure 13. Time Delayed Microprocessor Reset

=

Sink Only

Positive True Logic

Vref

CO

VO

Uncommitted

Comparator

4, 5, 12, 13

2.6 V

Reference

Thermal

Shutdown

Power

Warning

Vin

Chip

Disable

Reset

R

.01 R

IH On/Off

Cin

VCC

14

15

9

10

2

1

0.913 R

11

7

16

8

6

IH

+

−

+

CDLY

R1

R2

6.2 k

RH

MPU Reset

RDLY

tDLY RDLY CDLY

3.6 k

+

−

+

−

+

−

+

−

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MC34160DW Datasheet(PDF) 7 Page - ON Semiconductor

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