L1119L-50-AB3-I-R datasheet(4/7 Pages) UTC

4 / 7 page

L1119

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 7

www.unisonic.com.tw

QW-R502-051,B

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Supply Voltage

VIN

-0.3 ~ +7.5

Output Voltage

VOUT

-0.3 ~ +7.5

Output Current

IOUT

Short Circuit Protected

Power Dissipation

Internally Limited

Operating Junction Temperature

TOPR

-40 ~ +125

℃

Storage Temperature

TSTG

-65 ~ +150

℃

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.

RECOMMENDED OPERATING RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Supply Voltage

VIN

2.5 ~ 7.0

Maximum Operating Current (DC)

IOPR(MAX)

1.5

Operating Junction Temperature

-40 ~ +125

℃

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

(TJ=25°C, VIN =VOUT+1V, IL=10mA, COUT=33µF, unless otherwise specified.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IL = 150 mA

Dropout Voltage (Note)

IL = 1.5 A

870

Peak Output Current

IPEAK

2.0

2.5

IL = 150 mA

Ground Pin Current

IGND

IL = 1.5 A

Output Voltage Tolerance

VOUT

10 mA ≤ IL ≤ 1.5A

VOUT +1 ≤ VIN≤ 7.0V

-1.5

+1.5

Line Regulation

∆VOUT VOUT+1V<VIN<7.0V

0.1

Load Regulation

∆VOUT 10 mA < IL < 1.5 A

1.5

SHORT CIRCUIT PROTECTION

Short Circuit Current

ISC

4.5

AC PARAMETERS

Output Noise Density

ρN(l/f)

f = 120Hz

0.8

µV

BW = 10Hz – 100kHz

150

Output Noise Voltage

BW = 300Hz – 300kHz

100

µV(rms)

VIN = VOUT + 1.5V

COUT =100uF, VOUT = 3.3V

Ripple Rejection

VIN = VOUT + 0.3V

COUT =100uF, VOUT = 3.3V

OVER TEMPERATURE PROTECTION

Shutdown Threshold

TSHDN

165

°C

Thermal Shutdown Hysteresis

THYS

°C

Note:

Dropout voltage is defined as the minimum input to output differential voltage at which the output drops 2%

below the nominal value. Dropout voltage specification applies only to output voltages of 2.5V and above. For

output voltages below 2.5V, the drop-out voltage is nothing but the input to output differential, since the

minimum input voltage is 2.5V.

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