 2015 Microchip Technology Inc.

DS20005394A-page 3

LR745

1.0

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Input Voltage .................................................................................................................................................................................. 450V

Output voltage.................................................................................................................................................................................. 25V

Operating and storage temperature............................................................................................................................. -55°C to +150°C

Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress

rating only and functional operation of the device at those or any other conditions, above those indicated in the operational listings of

this specification, is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

1.1

ELECTRICAL SPECIFICATIONS

TABLE 1-1:

1

Symbol

Parameter

Min

Typ

Max

Units Conditions

Output voltage

18.0

24

V

17.7

24.3

V

Output current limiting

2.0

3.0

4.0

mA

Operating input voltage range

35

450

V

Input quiescent current

500

µA

Output turn off voltage

12.6

13.25

13.9

V

12.3

13.25

14.2

V

Output reset voltage

6.3

7.0

7.7

V

6.0

7.0

8.0

V

75

µA

External voltage applied to

22

V

500

µA

TABLE 1-2:

THERMAL CHARACTERISTICS

Package

θja

TO-92

132°C/W

TO-243AA (SOT-89)

133°C/W