UL22

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 13

www.unisonic.com.tw

QW-R125-088.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

-0.3 ~ 30

V

20.0

mA

Input Voltage to FB Pin

-0.3 ~ 7

V

Input Voltage to CS Pin

-0.3 ~ 7

V

Input Voltage to CLK Pin

-0.3 ~ 7

V

Output Voltage at the COMP pin

-0.3 ~ 7

V

Maximum Operating Junction Temperature

+150

°C

Storage Temperature

-55 ~ +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 RANGE (Note)

PARAMETER

SYMBOL

RATINGS

UNIT

18 ~ 24

V

Operation Ambient Temperature

-40 ~ +85

°C

Operating Junction Temperature

+125

°C



THERMAL DATA (Note)

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

50

°C/W

Junction to Case

8

°C/W

Note: Not to exceed the maximum junction temperature of the IC, which relates to the operating power of the IC and

the thermal resistance of the IC/package as above. The operation power of the IC can be calculated by Pd