 2015 Microchip Technology Inc.

DS20005384A-page 3

LR645

1.0

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

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

Output voltage............................................................................................................................................................................... 15.5V

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

9.3

10

10.7

V

No load

2

Guaranteed by design

9.0

10

11.5

V

Line regulation

-

40

200

mV

Load regulation

-

150

400

mV

Operating input voltage range

15

-

450

V

Input quiescent current

-

50

150

µA

No Load

VIN off-state leakage current

-

0.1

10

µA

--

200

µA

50

60

-

dB

120 Hz, No Load

Noise voltage2

-

25

-

µV

0.01 to 100 KHz

3

Pulse test duration <1.0 msec, duty cycle <2%

-30-

mA

--

13.2

V

8-lead, adjustable voltage version only

Output regulation trim range2

8

-

12

V

No load

Load regulation at 8V trim2

-

200

400

mV

Load regulation at 12V trim2

-

100

400

mV

TABLE 1-2:

Package

θja

8-lead SOIC

101°C/W

0.31

TO-92

132°C/W

0.74

TO-220

29°C/W

1.8

TO-243AA (SOT-89)

133°C/W

1.6

1