LXXLD37

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 7

www.unisonic.com.tw

QW-R102-091.b



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

6

V

6

V

EN and FB to GND

V

Junction Temperature

+150

°С

Storage Temperature

-65 ~ +150

°С

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

Supply Voltage

Control

5.5

V

Supply Voltage

Input

5.5

V

Output Current

0 ~ 3

A



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

HSOP-8

220

°C/W

Junction to Ambient

DFN3030-10

130 (Note)

°C/W

Note: The data tested by surface mounted on a 2 inch



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

1

1.5

mA

EN = GND

15

30

µA

2.5

2.7

2.9

V

POR Threshold

0.8

0.9

1.0

V

0.4

V

POR Hysteresis

0.5

V

Reference Voltage

0.8

V

Output Voltage Accuracy

-1.5

+1.5

%

Line Regulation

OUT

×

IN

OUT

V

V

∆

V

∆

-0.15

+0.15 %/V

Load Regulation

OUT

OUT

V

V

∆

0.1

1.5

%

4.5

5.7

7

Current Limit

4

A

Dropout Voltage

0.2

0.3

V

Over Temperature Shutdown

OTS

150

°С

Under-Voltage Threshold

0.4

V

EN Logic High Threshold Voltage

0.5

0.8

1.1

V

EN Hysteresis

100

mV

EN Pin Pull-Up Current

EN=GND

5

μA

POK Threshold Voltage for Power OK

POK Threshold Voltage for Power Not OK

81%

POK Low Voltage

POK sinks 5mA

0.25 0.4

V