P1595

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R103-047.C

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+26

V

ON/OFF Pin Input Voltage

V

Feedback Pin Voltage

-0.3 ~ 12

V

Operating Supply Voltage

4.5~24

V

Output Voltage to Ground

-0.8

V

Power Dissipation (Note 1)

690

mW

Operating Temperature

-20 ~ +125

°C

Storage Temperature

-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.

THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient (Note 1)

180

°C/W

Junction to Case (Note 1)

38

°C/W

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Feedback Voltage

0.728

0.750

0.773

V

Saturation Voltage

1.2

1.5

V

Quiescent Current

4

8

mA

Feedback Bias Current

-10

-50

nA

Shutdown Supply Current

2

10

μA

Current Limit

Pear current, No outside circuit

1.8

A

SW Pin Leakage

Current

SW pin=0V

No outside circuit

-50

μA

SW pin=-0.8V

-5

mA

Oscillator Frequency

140

200

260

KHz

Oscillator Frequency Circuit Protect

of Short

80

KHz

Max. Duty Cycle (ON)

DC

0

%

Min. Duty Cycle (OFF)

100

%

EN Pin Logic Input Threshold

Voltage

High (regulator ON)

1.2

2.0

V

Low (regulator OFF)

0.5

1.2

V

EN pin Logic Input Current

20

μA

EN pin Input Current

-5

μA

Thermal Shutdown Temp

TSD

135

°C