LR18120

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R502-305.C

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

7

V

Power Dissipation

Internally limited

Junction Temperature

150

°C

Ambient Operation Temperature

-40~ +85

°C

Storage Temperature

-65~ +150

°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.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

1.4 ~5.5

V

4.5~5.5

V

Ambient Operation Temperature

°C

THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

SOP-8

150

°C/W

Junction to Ambient

HSOP-8

143

°C/W

SOP-8

20

°C/W

Junction to Case

HSOP-8

14

°C/W

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Input Voltage Range

1.4

5.5

V

Quiescent Current (Ground Current)

1

2

mA

4.5

5.5

V

0.23

0.5

mA

36

60

μA

Output Voltage (Internal Fixed Voltage)

2.45

2.5

2.55

V

Line Regulation

OUT

IN

OUT

V

×

ΔV

ΔV

0.2

1

%

Load Regulation

0.2

1

%

Dropout Voltage

250

320

mV

Short Circuit Current

1.4

A

90

Ω

ADJ

Reference Voltage

0.788

0.8

0.812

V

Adjust Pin Current

20

100

nA

Adjust Pin Threshold

0.15

0.2

0.25

V

VEN

1.6

V

0.4

V

12

40

μA

POK

92

%

Hysteresis

7

%

Over Temperature Protection

Over Temperature

150

°C

Over Temperature Hysteresis

30

°C

Note: Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.