TL494, NCV494

http://onsemi.com

7

Figure 10. Error−Amplifier Characteristics

Figure 11. Deadtime and Feedback Control Circuit

Figure 12. Common−Emitter Configuration

Test Circuit and Waveform

+

+

Error Amplifier

Under Test

Feedback

Terminal

(Pin 3)

Other Error

Amplifier

150

2W

Output 1

Output 2

C1

E1

C2

E2

Ref

Out

Gnd

Output

Control

(+)

(+)

(−)

(−)

Feedback

Deadtime

Error

Test

Inputs

50k

150

2W

Figure 13. Emitter−Follower Configuration

Test Circuit and Waveform

68

15pF

C

E

Q

Each

Output

Transistor

15V

90%

10%

90%

10%

68

15pF

C

E

Q

Each

Output

Transistor

15V

90%

10%

90%

10%

−

−

Gnd