10 Application and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

10.1 Application Information

The following design example uses the TL494 to create a 5-V/10-A power supply. This application was taken

from application note SLVA001.

10.2 Typical Application

VREF

R1

1 kW

Load

Control

Osc

NTE331

140 mH

VO

NTE6013

NTE153

TL494

R2

4 kW

5-V

REF

R11

100 W

R12

30 W

R10

270 W

1

2

3

4

6

7

8

9

10

11

12

13

14

15

16

RF

51 kW

RT

50 kW

R5

510 W

R7

9.1 kW

R3

5.1 kW

R4

5.1 kW

R6

1 kW

C2

2.5 mF

5-V

REF

5-V

REF

R13

0.1 W

CT

0.001 F

m

5

R8

5.1 k

R9

5.1 k

Q2

Q1

+

−

+

−

32-V

Input

Figure 10-1. Switching and Control Sections

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TL494

SLVS074I – JANUARY 1983 – REVISED JULY 2022

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