UD05203

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R115-002.b



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Supply Voltage

6.0

V

Enable, FB Voltage

V

Power Dissipation

0.6

W

Junction Temperature Range

150

°C

Storage Temperature Range

-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.



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage

3~5.5

V

Junction Temperature Range

-40~125

°C

Ambient Temperature Range

-40~85

°C

Note: The device is not guaranteed to function outside its operating conditions.



THERMAL CHARACTERISTICS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction To Ambient

105

°C/W

Junction to Case

50

°C/W



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage Range

3

5.5

V

Quiescent Current

80

µA

Shutdown Current

EN=0

0.1

1

µA

Feedback Reference Voltage

0.588

0.6

0.612

V

FB Input Current

-50

50

nA

PFET RON

0.13

Ω

NFET RON

0.10

Ω

PFET Current Limit

2.5

A

EN Rising Threshold

1.5

V

EN Falling Threshold

0.4

V

Input UVLO Threshold

2.9

V

UVLO Hysteresis

0.2

V

Oscillator Frequency

1

MHz

Min ON Time

50

ns

Max Duty Cycle

100

%

Thermal Shutdown Temperature

150

°C