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TDA7480 (IC1301,IC1302)
TDA7480
ABSOLUTE MAXIMUM RATINGS
Symbol
V
DC Supply Voltage
CC
T
, T
Storage and Junction Temperature
stg
j
V
Maximum Voltage Across VFREQ (Pin 9)
FREQ
T
Operating Temperature Range
op
ESD
Maximum ESD on Pins
PIN CONNECTION (Top view)
-V
1
CC
-V
2
CC
-V
3
CC
OUT
4
BOOTDIODE
5
BOOT
6
N.C.
7
FEEDCAP
8
FREQ
9
SGN-GND
10
THERMAL DATA
Symbol
R
Thermal Resistance Junction to ambient
th j-amb
R
Thermal Resistance Junction to Pin
th j-pin
PIN FUNCTIONS
N.
Name
1
-V
CC
2
-V
CC
3
-V
CC
4
OUT
5
BOOTDIODE
6
BOOT
7
NC
8
FEEDCAP
9
FREQUENCY
10
SGN-GND
11
IN
12
ST-BY-MUTE
13
NC
14
+V
SIGN
CC
15
VREG
16
+V
POW
CC
17
-V
CC
18
-V
CC
19
-V
CC
20
-V
CC
Parameter
20
-V
CC
19
-V
CC
18
-V
CC
17
-V
CC
16
+V
CC POW
15
VREG
14
+V
CC SIGN
13
N.C.
12
STBY/MUTE
11
IN
D96AU537B
Parameter
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
Rth with "on board" Square Heatsink vs. cop-
per area.
R
thj-a
(˚C/W)
60
50
40
30
0
4
Max.
Function
25
32JW-73E
Value
Unit
±20
V
–40 to 150
°C
8
V
-20 to 70
°C
±1.8
kV
D97AU675
COPPER AREA 35µ
THICKNESS
PC BOARD
2
8
12
Area(cm
)
Value
Unit
80
°C/W
12
°C/W
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