LR2967

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw



PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

-0.3 ~ 7

V

Output Voltage

OUT

V

Junction Temperature

+150

°C

Storage Temperature

-65~150

°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.



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage Range

2.5 ~ 6.0

V

Ambient Temperature Range

-40 ~ +85

°C



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

143

°С/W



ELECTRICAL CHARACTERISTICS

All parameters are guaranteed over the operational supply voltage and temperature range. Operating conditions

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply Voltage

Quiescent Current

300

uA

Shutdown Current

0.2

2

uA

Feedback (FB)

Feedback Voltage Accuracy

490

500

510

mV

Input Bias Current

0.001

0.1

uA

Output (OUT)

Output Accuracy

-2

2

%

Load Regulation

0.1

2

%/A

Line Regulation

-0.2

0.2

%/V

400

Dropout Voltage

140

280

mV

Current Limit

3.0

A

Load transient (Note 1)

3

%

Line Transient (Note 1)

3

%

Enable (EN))

1.2

6

V

Input Threshold

0.4

V

Input Bias Current

EN=0 or 6V

-1

0

1

uA

Thermal Shutdown (TSD) (Note 1)

TSD On

165

°C

TSD Threshold

145

°C

Note: Guaranteed by design but not production tested.