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TDA7490

Figure 4. Pin Connection

Table 4. Pin Description

Pin N°

Name

Function

Negative signal/substrate supply

Negative power supply CH1

3

out 1

PWM output of CH1

Positive power supply CH1

5

BOOT1

Bootstrap CH1

6

STBY-MUTE

Control State Pin

7

FEED1

Feedback pin 1 CH1

8

OSC

Master Oscillator Setting Freequency Pin (or external sync.)

9

FEED2

Feedback pin2 CH1

10

IN1

Input CH1

11

T1

Triangular waveform CH1

12

+5V

+5V regulator (only for internal purposes)

13

GND

Signal ground

14

CURREF

Setting current resistor

15

T2

Triangular waveform CH2

16

-5V

-5V regulator (only for internal purposes)

17

FEED3

Feedback pin1 CH2

18

IN2

Input CH2

19

FEED4

Feedback pin2 CH2

20

NC

Not connected

21

BOOT2

Bootstrap CH2

22

Positive power supply CH2

23

OUT2

PWM output of CH2

24

Negative power supply CH2

25

10V regulator

D97AU816B

1

25