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Absolute Maximum Ratings

(1)

Recommended Operating Conditions

TL494

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

SLVS074E – JANUARY 1983 – REVISED FEBRUARY 2005

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

41

V

Amplifier input voltage

V

Collector output voltage

41

V

Collector output current

250

mA

D package

73

DB package

82

θ

JA

N package

67

°C/W

NS package

64

PW package

108

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

Storage temperature range

–65

150

°C

(1)

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings

only, and 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.

(2)

All voltages are with respect to the network ground terminal.

(3)

(4)

The package thermal impedance is calculated in accordance with JESD 51-7.

MIN

MAX

UNIT

Supply voltage

7

40

V

Amplifier input voltage

–0.3

V

Collector output voltage

40

V

Collector output current (each transistor)

200

mA

Current into feedback terminal

0.3

mA

Oscillator frequency

1

300

kHz

Timing capacitor

0.47

10000

nF

Timing resistor

1.8

500

k

Ω

TL494C

0

70

Operating free-air temperature

°C

TL494I

–40

85

3