LR9211L-AD-AF5-R datasheet(5/6 Pages) UTC

5 / 6 page

LR9211

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 6

www.unisonic.com.tw

QW-R102-103.a



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

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

Supply Input Voltage

VIN

2.5

5.5

Quiescent Current

VEN=5V, IOUT=0mA

115

μA

Shutdown Current

ISHDN

VEN=0V

0.1

μA

Output Voltage

Output Voltage Accuracy

VOUT

VIN=VNOM+1.0V, IOUT=1mA,

fixed output voltage version

-1.5

1.5 %VNOM

Reference Voltage Accuracy

VFB

VIN=3.3V, IOUT=1mA, Vout=FB

ADJ output voltage version

0.788

0.80 0.812

Output Line Regulation

∆VREF (LINE)

2.5V<VIN<5.5V, and VIN>VOUT+1.0V,

IOUT=1mA

0.01

0.2

%/V

Output Load Regulation

∆VREF (LOAD) 1mA<IOUT<500mA, VIN=VNOM+1.0V

0.5

2.0

%/A

IOUT=300mA, VOUT =1.8V

450

600

IOUT=300mA, VOUT =3.3V

300

400

IOUT=600mA, VOUT =1.8V

1200

Dropout Voltage

VDROP

IOUT=600mA, VOUT =3.3V

800

Frequency=10Hz, IOUT=10mA

Frequency=1kHz, IOUT=10mA

Frequency=100kHz, IOUT=10mA

Frequency=10Hz, IOUT=300mA

Frequency=1kHz, IOUT=300mA

Power Supply Rejection Ratio

PSRR

Frequency=100kHz, IOUT=300mA

Enable

Enable High Level

VEN

1.2

Disable Low Level

VSD

0.35

EN Input Current

IEN

VIN=5.5V, VEN=5.5V or 0V

-1

μA

Enable Delay Time

TDELAY

from VEN>1.2V to VOUT>10%VNOM,

by design

Output Ramp Up Time

TSS

from VOUT=10% to 90% of VNOM,

by design

Protection

Current Limit Threshold

ILIM

0.9

1.2

Short Circuit Current

0.6

Thermal Shutdown Temperature

TSD

IOUT=0mA, VIN=VEN=5.5V

170

°C

Thermal Shutdown Hysteresis

TSDHYS

IOUT=0mA, VIN=VEN=5.5V

°C

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