US222

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R129-012.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Power Supply Voltage

6.0

V

Operating Junction Temperature Range

150

°C

Storage Temperature Range

-65~+150

°C

Lead Temperature (Soldering, 10sec)

260

°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

MIN

TYP

MAX

UNIT

Supply Voltage

5.5

V

Operating Ambient Temperature Range

-40

85

°C



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

300

℃/W



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply Voltage

5.5

V

Switch On Resistance

85

110

mΩ

Supply Current

68

95

µA

2.1

2.7

3.6

A

1.6

2.0

2.8

A

1.1

1.5

2.1

A

Current Limit

0.6

1.0

1.4

A

Fold-back Short Current

1.0

A

Shutdown Supply Current

0.1

5.0

µA

Enable High Input Threshold

2.0

V

Enable Low Input Threshold

0.8

V

Enable Pin Input Current

Force 0V to 5.0V at EN Pin

-1.0

1.0

µA

Under Voltage Lockout

Threshold Voltage

2.5

V

Under Voltage Hysteresis

0.2

V

Output Pull Low Resistance

after Shutdown

100

Ω

Output Turn-on Time

From Enable Active to 90% of

Output

400

µs

FLAG Pin Delay Time

From Over Current Fault

Condition to Flag Active

12

ms

FLAG Pin Low Voltage

35

mV

FLAG Pin Leakage Current

FLAG Disable, Force 5.0V

1.0

µA

Thermal Shutdown Temperature

150

°C

Thermal Shutdown Hysteresis

30

°C