TDA7490SA

4/13

Table 1.

pin description

1.3

thermal data

Table 2.

thermal data

N°

Pin

Function

1

OUT 1

Output CH1

2

Positive Power Supply CH1

3

BOOT1

Bootstrap CH1

4

ST-BY/MUTE

State Pin

5

IN1

Input CH1

6

REFERENCE

Master Oscillator Setting Frequency

7

-5V

-5V Regulator

8

TRIANGLE 1

Triangular Waveform CH1

9

Negative Power Supply (Signal Ground)

10

-Vcc

Negative Power Supply (Power Ground) connected to tab

11

N.C.

12

GND

Ground

13

TRIANGLE 2

Triangular Waveform CH2

14

+5V

+5V regulator

15

IN 2

Input CH2

16

10V Regulator

17

BOOT 2

Bootstrap CH2

18

Positive Power Supply CH2

19

OUT 2

Output CH2

Symbol

Parameter

Test Condition

Typ.

Max.

Unit

Thermal Resistance Junction-case

2

3

°C/W

Thermal Resistance Junction-ambient

48

°C/W