TL494, NCV494

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9

Figure 14. Error−Amplifier Sensing Techniques

Figure 15. Deadtime Control Circuit

Figure 16. Soft−Start Circuit

Figure 17. Output Connections for Single−Ended and Push−Pull Configurations

To Output

Voltage of

System

R1

1

2

R2

+

Error

Amp

Positive Output Voltage

1 +

3

+

1

2

R2

R1

Negative Output Voltage

-

To Output

Voltage of

System

Error

Amp

-

R1

R2

Output

Control

Output

Q

4

5

6

0.001

30k

Max. % on Time, each output

≈ 45 -

80

1 +

Output

Q

4

Output

Control

Single-Ended

1.0 mA to

500 mA

2.4 V

Push-Pull

1.0 mA to

250 mA

Output

Control

0

1.0 mA to

250 mA