UC1825-SP

SLUS870A – JANUARY 2009 – REVISED MARCH 2012

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ABSOLUTE MAXIMUM RATINGS

(1)

UNIT

Supply voltage

30

V

DC

0.5

Output current, source or sink, Out A, Out B

A

Pulse (0.5

μs)

2.0

INV, NI, Ramp

–0.3 to 7

Analog inputs

V

Soft Start, ILIM/SD

–0.3 to 6

Clock output current

Clock

–5

Error amplifier output current

E/A Out

5

mA

Soft-start sink current

Soft Start

20

Oscillator charging current

–5

Power dissipation

1

W

Storage temperature range

–65 to 150

°C

Lead temperature (soldering, 10 seconds)

300

(1)

All voltages are with respect to GND; all currents are positive into, negative out of part; pin numbers refer to DIL-16 package.

RECOMMENDED OPERATING CONDITIONS

MIN

MAX

UNIT

Supply voltage

10

30

V

Sink/source output current (continuous or time average)

0

100

mA

Reference load current

0

10

mA

THERMAL RATINGS TABLE

PACKAGE

(°C/W)

(°C/W)

DIL-16 (J)

80–120

LCC-20 (FK)

70–80

(1)

(mean + 2s) for a 60 × 60 mil microcircit device silicon die and applicable for devices with die sizes up to 14400 square mils. For device

die sizes greater than 14400 square mils use the following values; dual-in-line, 11°C/W; flat pack 10°C/W; pin grid array, 10°C/W.

4

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