LR1801 datasheet(8/11 Pages) UTC

8 / 11 page

LR1801

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

8 of 11

www.unisonic.com.tw

QW-R502-A03.O



ELECTRICAL CHARACTERISTICS (TJ = 25°C, unless otherwise specified.)

For LR1801xx

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage

VIN

1.5

1.0V≤VOUT(S)<1.5V

VOUT(S)

－

0.015

VOUT(S)

0.015

Output Voltage (Note 3)

VOUT(E)

VIN=VOUT(S)+1V

IOUT=100mA

1.5V≤VOUT(S) ≤3.5V

VOUT(S)

x 0.99

VOUT(S)

x 1.01

Output Voltage Line

Regulation

△

VOUT1/

(△VIN×VOUT) VOUT(S)+0.5V≤VIN≤5.5V,IOUT=100mA

0.05

0.2

%/V

Output Voltage Load

Regulation

△

VOUT2

VIN=VOUT(S)+1V,1mA≤IOUT≤300mA

-20

-3

1.2V≤VOUT(S)<1.5V

0.34

0.38

1.5V≤VOUT(S)<2.6V

0.10

0.15

IOUT=300mA

2.6V≤VOUT(S) ≤5.0V

0.07

0.10

1.2V≤VOUT(S)<1.5V

0.70

1.5V≤VOUT(S)<2.0V

0.40

2.0V≤VOUT(S)<2.6V

0.32

Dropout Voltage(Note 4)

Vdrop

IOUT=1000mA

2.6V≤VOUT(S) ≤5.0V

0.23

Output Current(Note 5)

IOUT

VIN≥VOUT(S)+1V

1000

(Note 7)

Ground Pin Current In Normal

Operation Mode

ISS1

VIN=VOUT(S)+1V, ON/ OFF pin=ON, No

Load

Ground Pin Current In

Power-off Mode

ISS2

VIN=VOUT(S)+1V, ON/ OFF pin=OFF,

No Load

0.1

1.0

Short Circuit Current

ISC

VIN=VOUT(S)+1V, ON/ OFF pin=ON,

VOUT=0V

ON/ OFF Pin Input Voltage “H”

VSH

1.5

ON/ OFF Pin Input Voltage “L”

VSL

VIN=VOUT(S)+1V, RL=1.0KΩ

Determinied by VOUT output level

0.3

ON/ OFF Pin Input Current “H”

ISH

VIN=VOUT(S)+1V, VON/OFF =5.5V

-0.1

0.1

ON/ OFF Pin Input Current “L”

ISL

VIN=VOUT(S)+1V, VON/OFF =0V

-0.1

0.1

1.2V≤VOUT(S)<3.0V

3.0V≤VOUT(S) ≤3.5V

Ripple Rejection

|RR|

VIN=VOUT(S)+1V,

f=1khz,

△

Vrip=0.5Vrms,

IOUT=100mA

3.5V≤VOUT(S) ≤5.0V

Thermal Shutdown detection

temperature

TSD

Junction temperature

150

°C

Thermal Shutdown release

temperature

TSR

Junction temperature

120

°C

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