ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

DC Supply Voltage

±20

V

Storage and Junction Temperature

–40 to 150

°C

Maximum Voltage Across VFREQ (Pin 9)

8

V

Operating Temperature Range

-20 to 70

°C

ESD

Maximum ESD on Pins

±1.8

kV

THERMAL DATA

Symbol

Parameter

Value

Unit

Thermal Resistance Junction to ambient

80

°C/W

Thermal Resistance Junction to Pin

Max.

12

°C/W

PIN FUNCTIONS

N.

Name

Function

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

OUT

BOOTDIODE

BOOT

NC

FEEDCAP

FREQUENCY

SGN-GND

IN

ST-BY-MUTE

NC

VREG

NEGATIVE SUPPLY.

NEGATIVE SUPPLY.

NEGATIVE SUPPLY.

PWM OUTPUT

BOOTSTRAP DIODE ANODE

BOOTSTRAP CAPACITOR

NOT CONNECTED

FEEDBACK INTEGRATING CAPACITANCE

SETTING FREQUENCY RESISTOR

SIGNAL GROUND

INPUT

ST-BY/ MUTE CONTROL PIN

NOT CONNECTED

POSITIVE SIGNAL SUPPLY

10V INTERNAL REGULATOR

POSITIVE POWER SUPPLY

NEGATIVE SUPPLY (TO BE CONNECTED TO PIN 16 VIA C5)

NEGATIVE SUPPLY

NEGATIVE SUPPLY

NEGATIVE SUPPLY

OUT

BOOTDIODE

N.C.

BOOT

FEEDCAP

FREQ

1

3

2

4

5

6

7

8

9

STBY/MUTE

N.C.

VREG

20

19

18

17

16

14

15

13

12

D96AU537B

SGN-GND

10

IN

11

PIN CONNECTION (Top view)

0

4

8

12

30

40

50

60

(˚C/W)

D97AU675

COPPER AREA 35

µ

THICKNESS

PC BOARD

Rth with "on board" Square Heatsink vs. cop-

per area.

TDA7480

2/10