LD1985

LINEAR INTEGRATED CIRCUIT

UNISONIC TECHNOLOGIES CO., LTD

3 of 9

www.unisonic.com.tw

QW-R102-021.J



ABSOLUTE MAXIMUM RATINGS (T

A=25°C)

PARAMETER

SYMBOL

RATINGS

UNIT

DC Input Voltage

VIN

7

V

INHIBIT Input Voltage

VINH

7

V

Output Current

IOUT

Internally limited

Power Dissipation

PD

Internally limited

Operating Junction Temperature

TOPR

-40 ~ +125

°C

Storage Temperature

TSTG

-40 ~ +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.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Case

θJC

81

°C/W



ELECTRICAL CHARACTRISTICS

(TJ=25°C, VIN=VOUT+1V, IOUT=1mA, VSHDN=2V, CI=1μF, CO=1μF, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Operating Input Voltage

VI(OPR)

2.5

7

V

Output Voltage

VOUT

VIN=2.5V

1.470

1.5

1.530

V

IOUT=1 ~ 150mA

1.455

1.545

V

VIN =2.8V

1.764

1.8

1.836

V

IOUT =1 ~ 150mA

1.746

1.854

V

VIN =3.5V

2.450

2.5

2.550

V

IOUT =1 ~ 150mA

2.425

2.575

V

VIN =3.8V

2.744

2.8

2.856

V

IOUT =1 ~ 150mA

2.716

2.884

V

VIN =3.85V

2.793

2.85

2.907

V

IOUT =1 ~ 150mA

2.764

2.936

V

VIN =4.0V

2.940

3.0

3.060

V

IOUT =1 ~ 150mA

2.910

3.090

V

VIN =4.1V

3.038

3.1

3.162

V

IOUT =1 ~ 150mA

3.007

3.193

V

VIN =4.2V

3.136

3.2

3.264

V

IOUT =1 ~ 150mA

3.104

3.296

V

VIN =4.3V

3.234

3.3

3.366

V

IOUT =1 ~ 150mA

3.201

3.399

V

VIN =4.5V

3.430

3.5

3.570

V

IOUT =1 ~ 150mA

3.395

3.605

V

VIN =4.6V

3.528

3.6

3.672

V

IOUT =1 ~ 150mA

3.492

3.708

V

VIN =4.8V

3.724

3.8

3.876

V

IOUT =1 ~ 150mA

3.686

3.914

V

VIN =5.0V

3.920

4

4.080

V

IOUT =1 ~ 150mA

3.880

4.120

V

VIN =5.7V

4.606

4.7

4.794

V

IOUT =1 ~ 150mA

4.559

4.841

V

VIN =6.0V

4.900

5

5.100

V

IOUT =1 ~ 150mA

4.850

5.150

V