P34563

LINEAR INTEGRATED CIRCUIT

UNISONIC TECHNOLOGIES CO., LTD

3 of 4

www.unisonic.com.tw

QW-R103-074.F



PARAMETER

SYMBOL

RATINGS

UNIT

VCC Pin Voltage

40

V

EN/CT Voltage

6

V

SENSE1,SENSE2 Pin Voltage

38

V

Switch Pin Voltage

V

Power Dissipation

W

Operating Supply Voltage

+8 ~ +40

V

Output Current

0 ~ 3

A

Operating Temperature

-20 ~ +125

°C

Storage Temperature

-40 ~ +165

°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.



T H ERM AL CH ARACT ERI ST I CS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

143

°C/W

Junction to Case

15

°C/W



ELECT RI CAL CH ARACT ERI ST I CS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

FB

1.08

1.10

1.12

V

Under Voltage Lockout

Falling

6

V

UVLO Hysteresis

0.8

V

Line Regulation

∆

0.5

1

%

Load Regulation

∆

Ω

10

mV

Quiescent Current

3

7

mA

Oscillator Frequency

80

100

120

KHz

Max. Duty Cycle (ON)

100

%

Min. Duty Cycle (OFF)

DC

0

%

110

170

m

Ω

Sense Voltage

135

150

165

mV

Shutdown Mode

0.3

V

EN/CT Pin Logic Input Threshold

Voltage

0.5

1.5

V

EN/CT Pin Current

Charge Current

-32

µA

EN/CT Pin Current

Discharge Current

1.5

µA

Thermal Shutdown Temp

160

°C

Thermal Shutdown Hysteresis

40

°C