UC34463

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R103-055.C



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+45

V

Power Dissipation

Internally limited

W

Storage Temperature

-65 ~ +150

°C

Operating Temperature

-40 ~ +125

°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.



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Oscillator Frequency

170

200

220

Khz

Oscillator Frequency of Short Circuit

Protect

When current limit occurred and

30

Khz

Saturation Voltage

1.25

1.4

V

1.25

1.5

Max. Duty Cycle(ON)

DC

100

%

Min. Duty cycle(OFF)

0

Current Limit

peak current no outside circuit

2.4

2.9

3.3

A

2.4

2.9

3.6

Output Leakage

Current

Output = 0V

no outside circuit

-200

uA

Output = -1V

-5

mA

Quiescent Current

5

10

mA

Standby Quiescent Current

70

150

uA

70

200

ON/OFF Pin Logic Input Threshold

Voltage

Low (regulator ON)

1.3

0.6

V

High (regulator OFF)

2.0

1.3

ON/OFF Pin Logic Input Current

0.01

uA

ON/OFF Pin Input Current

-0.1

-1

Over Temperature Shutdown

Threshold

Ts

175

°C

150