UCC28089

SLUS623A -- SEPTEMBER 2004 -- REVISED AUGUST 2006

3

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ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNITS

15

V

Supply current

20

mA

OUTA/OUTB sink current (peak)

1.0

A

OUTA/OUTB source current (peak)

--0.5

A

SYNC sink current (peak)

50

mA

SYNC source current (peak)

--50

mA

Analog inputs (DIS, CT, CS)

V

650

mW

TBD

mW

Junction operating temperature

--55 to 150

Storage temperature

--65 to 150

Lead temperature (soldering, 10 sec.)

+300

C

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute--maximum--rated conditions for extended periods may affect device reliability.

for thermal limitations and considerations of packages.

RECOMMENDED OPERATION CONDITIONS

Parameter

Symbol

MIN

TYP

MAX

UNITS

8.5

14

V

SYNC sink current (peak)

0

10

25

mA

SYNC source current (peak)

--25

--10

0

mA

Analog inputs (DIS, CT, CS)

0

4

V

Timing capacitor range

CT

100

100,000

pF

Timing charge resistor range

RA

32

750

kΩ

Discharge resistor range

RB

0

250

kΩ

Timing charge current

10

300

μA

Switching Frequency

1000

kHz

Junction temperature

--40

105

°C