US301

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R103-099.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage Relative to GND

6.5

V

Output Voltage Relative to GND

V

Maximum Continuous Load Current

Internal Limited

A

Maximum Junction Temperature

150

°C

Storage Temperature Range (Note 4)

-65~150

°C

Notes: 1. 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

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input voltage relative to GND

2.7

5.2

V

Output Current

0

0.2

A

Operating Ambient Temperature

-40

+85

°C



PARAMETER

SYMBOL TEST CONDITIONS (Note 1) MIN

TYP

MAX

UNIT

Input UVLO

2.35

2.90

V

Input Quiescent Current

85

125

µA

Reverse Leakage Current

0.01

0.10

µA

Switch On-Resistance

100

250

350

mΩ

Over-Load Current Limit

0.2

0.4

0.5

A

Short-Circuit Current

OUT shorted to ground

0.2

0.4

0.5

A

Reverse-Current Trigger Point

0.20

0.25

A

Deglitch Time from Reverse Current Trigger

to MOSFET Turn Off

(Note 2)

0.5

0.7

1.0

ms

Output Over-Voltage Trip Point

(Note 3)

5.2

5.6

V

Debounce Time From Output Over-Voltage

to MOSFET Turn Off

15

µs

Recovery After Turn-Off from ROCP and

OVP

101%

Output turn-on time (Note 4)

0.7

ms

Thermal Shutdown Threshold

150

°C

Thermal Shutdown Hysteresis

20

°C

Thermal Resistance Junction-to-Ambient

(Note 5)

215

°C/W

Notes: 1. Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must

be taken into account separately.

0.7ms deglitch time until MOSFET is turned off.

3. During output over-voltage protection, the output draws approximately 60µA current.

4. Since the output turn-on slew rate is dependent on input supply slew rate, this limit is only applicable for

5. Device mounted on FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout.