TL494

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 7

www.unisonic.com.tw

QW-R103-004,D

ABSOLUTE MAXIMUM RATINGS

(Unless otherwise noted all is over operating free air temperature range)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage(Note 3)

41

V

Amplifier Input Voltage

V

Collector Output Voltage

41

V

Collector Output Current

250

mA

Ta=25

°C

1000

mW

Continuous Total Dissipation

Derate at Ta＞25

°C

9.2

mW/

°C

Junction Temperature

125

°C

Operating Temperature

-25 ~ +85

°C

Storage Temperature

-40 ~ +150

°C

Note 1. 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.

2. All voltage values, except differential voltages are with respect to the network ground terminal.

RECOMMENDED OPERATING CONDITIONS

RATINGS

PARAMETER

SYMBOL

MIN

MAX

UNIT

Supply Voltage

7

40

V

Amplifier Input Voltage

-0.3

Vcc-2

V

Collector Output Voltage

40

V

Collector Output Current(each Transistor)

Ic

200

mA

Current into Feedback

0.3

mA

Timing Capacitor

0.47

10000

nF

Timing Resistor

1.8

500

k

Ω

Oscillator Frequency

fosc

1

300

kHz

Operating Free-Air Temperature

Ta

0

70

°C