TL494

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R103-004. I



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage(Note 3)

41

V

Amplifier Input Voltage

V

Collector Output Voltage

41

V

Collector Output Current

250

mA

1000

mW

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

PARAMETER

SYMBOL

MIN

TYP

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

0.3

mA

Timing Capacitor

0.47

10000

nF

Timing Resistor

1.8

500

kΩ

Oscillator Frequency

1

300

kHz

Operating Free-Air Temperature

0

70

C



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

REFERENCE SECTION

Output Voltage

4.75

5

5.25

V

Input Regulation

2

25

mV

Output Regulation

1

15

mV

Output Voltage Change with Temperature

0.2

1

%

Short-Circuit Output Current

35

mA

OSCILLATOR SECTION

Frequency

F

10

kHz

Standard Deviation of Frequency

constant

10

%

Frequency Change with Voltage

0.1

%

Frequency Change with Temperature

12

%