IP431A Series

Prelim. 2/95

R2

R1

=

R2

R1

1+

V+

TRIAC CROWBAR

TYPICAL APPLICATIONS

THERMAL CHARACTERISTICS

R2

R1

=

R2

R1

1+

V+

THYRISTOR CROWBAR

R4

R3

V+

R2

R1

R2

R1

1+

Lower Limit =

Upper Limit =

1+

R4

R3

LED is ‘on’ when V+ is between the

upper and lower limits.

VOLTAGE MONITOR

V+

REF

> V

REF

< V

V+

= 2.0 V

SINGLE SUPPLY COMPARATOR WITH

TEMPERATURE COMPENSATED THRESHOLD

Thermal Resistance, Junction – Ambient

D Package

N Package

J Package

Thermal Resistance, Junction – Case

D Package

N Package

J Package

178°C/W

114°C/W

100°C/W

83°C/W

41°C/W

38°C/W