P3586

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R103-050.C



PARAMETER

SYMBOL

RATINGS

UNIT

-0.3 ~+23

V

Feedback Pin Voltage

-0.3 ~ +6

V

ON/OFF Pin Voltage

V

Switch Pin Voltage

V

Operating Supply Voltage

+3.6 ~ +20

V

Power Dissipation

Internally limited

mW

Operating Junction Temperature

-20 ~ +125

°C

Storage Temperature

-40 ~ +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

Junction to Ambient

70

°С/W

Junction to Case

25

°С/W



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Feedback Voltage

0.784

0.80

0.816

V

Feedback Bias Current

0.1

0.5

μA

Switch Current

Pear current, No outside circuit

3.2

4.5

A

Standby Current

Force driver on

10

μA

Quiescent Current

3

5

mA

Oscillation Frequency

Measure waveform at SW Pin

1.0

1.2

1.4

MHz

Frequency of Current Limit or Short

Circuit Protect

Measure waveform at SW Pin

70

90

120

KHz

Line Regulation

OUT

OUT

V

V

∆

1

2

%

Load Regulation

OUT

OUT

V

V

∆

0.2

0.5

%

30

μA

EN Pin Input Current

0

1

μA

110

150

mΩ

70

100

mΩ

High(regulator ON)

2.0

V

EN Pin Logic input threshold voltage

Low(regulator OFF)

0.8

V

Thermal Shutdown Temp

TSD

160

°C

Efficiency

EFFI.

88

%

Soft Start Time

0.3

2

5

mS