MC33160(2011) Ver la hoja de datos (PDF) - ON Semiconductor

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MC33160
(Rev.:2011)

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

ON Semiconductor 

MC34160, MC33160

Point A

Pin 6

Pin 8

VCC

Vin

Cin

14

Chip

Disable

15

R1

9

2.6 V

2.6 V

10

2

Rin

AC

Line

A

1

+

2.6 V

Reference

Thermal

Shutdown

-

+

+

0.913 R

11

+

.01 R -

7

Reset

R

Power

10

+ Warning

-

8

IH

IH On/Off

+

Uncommitted

Comparator

+

-

6

4, 5, 12, 13

CO VO

MPU Reset

Vref

Line Loss Output

RDLY

tDLY ≈ RDLY CDLY ln

IH RDLY - VO

Vref + IH R1 - VO + IH RDLY

CDLY

+

-

=

Sink Only

Positive True Logic

Figure 12. Line Loss Detector Application

VCC

Vin

Cin

14

R1

Chip

Disable

15

R2

9

RH 10

2

1

+

2.6 V

Reference

Thermal

Shutdown

-

+

+

0.913 R

11

+

.01 R -

7

Reset

R

Power

16

+ Warning

-

8

IH

IH On/Off

+

Uncommitted

+ Comparator

-

6

VO

CO

Vref

RDLY

MPU Reset

3.6 k

6.2 k

4, 5, 12, 13

tDLY  RDLY CDLY

CDLY

+

-

=

Sink Only

Positive True Logic

Figure 13. Time Delayed Microprocessor Reset

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