UR3325

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R102-017.F

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

18

V

1000

mW

Power Dissipation

Derating above 25

°C

8

mW/

°C

Junction Temperature

+150

°C

Operating Temperature

-40 ~ +85

°C

Storage Temperature

-55 ~ +150

°C

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.

℃

PARAMETER

SYMBOL

MIN

MAX

UNIT

Input Voltage

3.0

16.0

V

3.3V Output current

Io1

1

A

2.5V Output current

Io2

1

A

ELECTRICAL CHARACTERISTICS

(Refer to the test circuit, Ta=25 , V

℃

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Bias Current

2.0

2.3

mA

3.3V Output

Output Voltage 1

3.234 3.30

3.366

V

Dropout Voltage 1

V

0.25

0.5

V

Peak Output Current 1

1.0

1.7

A

Ripple Rejection 1

R.R.1

f=120Hz, ein=1Vrms

50

58

dB

Line Regulation 1

V

5

30

mV

Load Regulation 1

V

30

75

mV

Temperature Coefficient of Output

Voltage 1

±0.01

%/℃

Short Circuit Output Current 1

600

mA

2.5V Output

Output Voltage 2

Vo2

2.450 2.50

2.550

V

Peak Output Current 2

Io2

1.0

1.7

A

Ripple Rejection 2

R.R.2

f=120Hz, ein=1Vrms

50

58

dB

Line Regulation 2

V

5

30

mV

Load Regulation 2

V

30

75

mV

Temperature Coefficient of Output

Voltage 2

±0.01

%/℃

Short Circuit Output Current 2

450

mA

Note: All characteristic are measured with a capacity across the input (0.33μF) and the output (22μF).

Coefficient of Output Voltage) caused by temperature change are not considered.