L1913

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 9

www.unisonic.com.tw

QW-R502-439.a

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Output Short-Circuit Duration

Infinite

-0.3~7

V

SET to GND

-0.3~7

V

SHDN to GND

-0.3~7

V

SHDN to IN

-7~0.3

V

OUT to GND

V

520

mW

Junction Temperature

150

°C

Operating Temperature

-40~85

°C

Storage Temperature

-65~160

°C

Notes: 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

240

°C/W

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Input Voltage (Note 2)

2.5

5.5

V

Output Voltage Accuracy

-2

2

%

Adjustable Output Voltage Range

(Note 3)

5.5

V

Maximum Output Current

150

mA

Current Limit (Note 4)

250

mA

55

120

Ground Pin Current

SET=GND

145

µA

2

70

Dropout Voltage (Note 5)

230

300

mV

0.1

0.28

Line Regulation

0.08

0.4

%/V

SET tide to OUT

0.02

0.8

Load Regulation

SET=GND

1.0

%/mA

Output Voltage Noise

(10Hz~100kHZ)

220

SHUTDOWN

Regulator enabled

SHDN Input Threshold

Regulator shutdown

0.4

V

SHDN Input Bias Current

0.003

0.1

µA

Shutdown Supply Current

0.2

1

µA

SET INPUT

1.225

1.25

1.275

SET Reference Voltage (Note 3)

1.25

V

SET Input Leakage Current

(Note 3)

5

30

nA