LR1012

CMOS IC

UNISONIC TECHNOLOGIES CO., LTD

4 of 6

www.unisonic.com.tw

QW-R502-495.K



ABSOLUTE MAXIMUM RATING (T

A=25°C, unless otherwise specified)

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

VIN

12

V

Output Voltage

VOUT

VIN+0.3

V

Power Dissipation

SOT-23/SOT-25

PD

250

mW

SOT-89

500

mW

Operating Temperature

TOPR

-40 ~ +85

°C

Storage Temperature

TSTG

-40 ~ +125

°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.



ELECTRICAL CHARACTERISTICS (T

A=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage (Note 1)

VOUT (E)

VIN=VOUT(S)+2V, IOUT=10mA

VOUT(S)

× 0.98

VOUT(S)

VOUT(S)

×1.02

V

Output Current (Note 2)

IOUT

VIN=VOUT(S)+2V

1.8V

≤VOUT(S)≤1.9V

30

mA

2.0V≤VOUT(S)≤2.9V

30

mA

3.0V≤VOUT(S)≤3.9V

50

mA

4.0V≤VOUT(S)≤4.9V

65

mA

5.0V≤VOUT(S)≤6.0V

75

mA

Dropout Voltage (Note 3)

Vdrop

IOUT =10mA

1.8

V≤VOUT(S)≤1.9V

0.48

0.98

V

2.0V≤VOUT(S)≤2.4V

0.46

0.95

V

2

.5V≤VOUT(S)≤2.9V

0.32

0.68

V

3.0V≤VOUT(S)≤3.4V

0.23

0.41

V

3.5V≤VOUT(S)≤3.9V

0.19

0.35

V

4.0V≤VOUT(S)≤4.4V

0.16

0.30

V

4.5V≤VOUT(S)≤4.9V

0.14

0.27

V

5.0V≤VOUT(S)≤5.4V

0.12

0.25

V

5.5V≤VOUT(S)≤6.0V

0.11

0.23

V

Line Regulation 1

ΔVOUT1 VOUT(S)+1V≤VIN≤12V, IOUT=1mA

5

30

mV

Line Regulation 2

ΔVOUT2 VOUT(S)+1V≤VIN≤12V, IOUT=1µA

5

40

mV

Load Regulation

ΔVOUT3 VIN=VOUT(S)+2V

1.8

V≤VOUT(S)≤1.9V,

1µA≤IOUT≤20mA

5

25

mV

2.0V≤VOUT(S)≤2.9V,

1µA≤IOUT≤20mA

6

30

mV

3.0V≤VOUT(S)≤3.9V,

1µA≤IOUT≤30mA

10

45

mV

4.0V≤VOUT(S)≤4.9V,

1µA≤IOUT≤40mA

13

65

mV

5.0V≤VOUT(S)≤6.0V,

1µA≤IOUT≤50mA

17

80

mV

Output Voltage temperature

coefficient (Note 4)

ΔVOUT

ΔTA·VOUT

VIN = VOUT (S) + 1 V, IOUT = 10mA

-40°C

≤ TA ≤ 85°C

±100

ppm/°C

Current Consumption

ISS

VIN=VOUT(S)+2V

no load

1.8

V≤VOUT(S)≤1.9V

0.8

3.0

µA

2.0V≤VOUT(S)≤2.7V

0.9

3.0

µA

2.8V≤VOUT(S)≤3.7V

1.0

3.0

µA

3.8V≤VOUT(S)≤5.1V

1.2

3.0

µA

5.2V≤VOUT(S)≤6.0V

1.5

3.0

µA

Input Voltage

VIN

12

V

Short-Circuit Current

IOS

VIN=VOUT(S)+2V, VOUT pin=0 V

40

mA