US3X77

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 10

www.unisonic.com.tw

QW-R502-568.C



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

6

V

Output Voltage

6

V

Enable Input

-0.3 ~ 6

V

Output Current

Internally Limited

A

Storage Temperature

-65~ +150

°C

Reflow Temperature (Soldering, 10sec)

260

°C

ESD Protection

2

kV

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.



OPERATING RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+3 ~ +5.5

V

Operating Temperature

-40 ~ +85

°C



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

Input Voltage

2.7

5.5

V

100

115

mΩ

Supply Current

65

µA

Output Turn-on Rising Time

400

µs

Current Limit Threshold

US3577

2.8

3.7

5.0

A

US3477

2

2.5

3.3

US3377

1.6

2

2.6

US3277

1.2

1.5

1.9

US3177

0.75

1

1.45

Short-Circuit Current

US3577

0.2

2.0

3.5

A

US3477

0.2

1.7

2.3

US3377

0.2

1.3

1.7

US3277

0.2

1

1.3

US3177

0.2

0.7

0.9

EN Input Threshold

1

1.6

1.8

V

Shutdown Supply Current

0.1

1

µA

Shutdown Pull Low Resistance

75

150

Ω

Output Leakage Current

0.5

1

µA

2.2

2.5

2.7

V

200

mV

Thermal Limit

135

°C

Thermal Limit Hysteresis

20

°C

OC Deglitch

OC assertion or deassertion

4

9

15

ms

OC Output Low Voltage

0.4

V

OC Off-State Current

1

µA