LR5966G-XX-TN5-R datasheet(4/5 Pages) UTC

4 / 5 page

LR5966

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R102-046.a

ABSOLUTE MAXIMUM RATING (TA=25°С)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VIN

Power Dissipation

1250

Junction Temperature

+125

°С

Operation Temperature

TOPR

-40 ~ +125

°С

Storage Temperature

TSTG

-65 ~ +150

°С

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 Ambient

θJA

°C/W

Junction to Case

θJC

°C/W

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

VIN = VOUT + 1V or VIN =2.25V whichever is greater, CIN =1µF, COUT =2.2µF(Ceramic)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage

VIN

2.25

TA＝25°С , IOUT= 1mA ~5A

-2

Output Voltage Accuracy

VOUT

TA＝0~85°С, IOUT= 1mA~5A

-3

Maximum Output Current

IOUT

Short-Circuit Current Limit

ILIMIT

VOUT>1.2V

7.5

Reference Current

VREF

Measured on SET, VIN=2.8V,

IOUT=10mA

0.784

0.8

0.816

IOUT = 0mA

Ground Pin Current

IGND

IOUT= 1mA to 5A

µA

1.5V<=VOUT<=1.8V

1800

1.8V<VOUT<2.5V

1000

Dropout Voltage (Note)

IOUT=5A

2.5<=VOUT

650

Line Regulation

OUT

ΔV

VIN=VOUT+VD~6V

0.08

0.18

%/V

Load Regulation

ΔVOUT

VIN=VOUT+1V, IOUT=10mA~5A

0.25

Output Voltage Noise

f=10Hz to100kHz，COUT=2.2μF

µVRMS

Shutdown Supply Current

IOFF

SHDN

=GND

0.01

µA

f=100Hz

Power Supply Rejection

PSRR

IOUT=100mA

COUT=10μF

f=1kHz

VIH

1.6

Shutdown Threshold

VIL

0.6

Thermal Shutdown Temperature

TSHDN

160

Thermal Shutdown Hysteresis

DTSHDN

°С

Note: The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) − 100mV.

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