US2005

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R502-A04.a



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

6

V

Enable Input Voltage

5.5

V

Flag Voltage

5.5

V

0.4

W

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.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Package Thermal Resistance

230

°C/W



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage

2.5~5.5

V

Enable Input Voltage

0~5.5

V

Continuous Output Current Range

0~2.1

A

Ambient Operating Temperature

-40~+85

°C



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX

UNIT

Switch Input Voltage

2.5

5.5

V

Internal Supply Current

Switch=OFF, ENABLE=0V

1

5

μA

Internal Supply Current

80

300

μA

Output Leakage Current

12

100

μA

Power Switch Resistance

70

100

mΩ

125

mΩ

Current Limit: –0.5

0.5

0.7

0.9

A

Current Limit: –0.8

0.8

1.1

1.5

A

Current Limit: –1.2

1.2

1.6

2.1

A

Secondary Current Limit

(Kickstart)

2.2

4

6

A

Under Voltage Lock Out

Threshold

2.0

2.25

25

V

1.9

2.15

2.4

V

ENABLE Input Voltage

0.5

V

1.5

V

ENABLE Input Current

1

5

μA

Fault Status Output Voltage

0.25

0.4

V

Over-Temperature Threshold

145

°C

135