L1183A

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 6

www.unisonic.com.tw

QW-R502-315.g

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Input Voltage

Note1

6.5

V

Line Regulation

OUT

OUT

V

V

Δ

-0.2

0.2

%

-0.15

0.15

%

-0.1

0.02

0.1

%

Load Regulation

OUT

OUT

V

V

Δ

-1

0.2

1

%

Output Voltage Accuracy

-1.5

1.5

%

-2.5

2.5

%

Quiescent Current

30

50

µA

Dropout Voltage

1300

mV

400

300

Power Supply Ripple Rejection

PSRR

f=100Hz

60

dB

f=1kHz

50

dB

f=10kHz

20

dB

Output Voltage Noise

eN

30

Output Current

300

mA

Current Limit

300

450

mA

Short Circuit Current (Note2)

150

300

mA

Ground Pin Current

35

µA

Over Temperature Shutdown

OTS

150

°C

Over Temperature Hysteresis

OTH

30

°C

Temperature Coefficient of

Output Voltage

30

ppm/°C

EN Input Threshold

2.0

V

0

0.4

V

EN Input Bias Current

0.1

µA

0.5

µA

Shutdown Supply Current

0.5

1

µA

Shutdown Output Voltage

0

0.4

V

2. To prevent the short circuit current protection feature from being prematurely activated, the input voltage

must be applied before a current source load is applied.