LR18943A

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R102-094.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

7

V

Power Dissipation

Internally limited

W

Junction Temperature

150

°C

Storage Temperature Range

°C

Operation Conditions

1.0~5.5

V

3~5.5

V

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



THERMAL CHARACTERISTICS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction To Ambient

143

°C/W



ELECTRICAL CHARACTERISTICS

The device is not guaranteed to function outside its operating conditions. Parameters with MIN and/ of MAX limits

are 100% tested at +25°C unless otherwise specified.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage Range

1.0

5.5

V

3

5.5

V

0.882

0.9

0.918

1.029

1.05

1.071

1.176

1.2

1.224

1.47

1.5

1.53

1.764

1.8

1.836

2.45

2.5

2.55

Internally set voltage

3.234

3.3

3.366

V

Output Voltage

Externally set voltage

V

Line Regulation

△

0.05

0.2

%/v

Ripple ejection

f=1kHz

70

dB

Load Regulation

0.2

1

%

Dropout Voltage

300

mV

Short Circuit Current

500

mA

Current Limit

1.2

A

35

Ω