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28JW-74E
TDA7480L (IC501)
10W OUTPUT POWER:
R
= 8Ω/4Ω; THD = 10%
L
HIGH EFFICIENCY
NO HEATSINK
SPLIT SUPPLY
OVERVOLTAGE PROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
DESCRIPTION
The TDA7480L is an audio class-D amplifier as-
sembled in Power DIP package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
Pin Assignments
Pin Description
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
CC
15
VREG
16
+V
CC
17
-V
CC
18
-V
CC
19
-V
CC
20
-V
CC
-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
D96AU537B
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
SIGN
POSITIVE SIGNAL SUPPLY
10V INTERNAL REGULATOR
POW
POSITIVE POWER SUPPLY
NEGATIVE SUPPLY (TO BE CONNECTED TO PIN 16 VIA C5)
NEGATIVE SUPPLY
NEGATIVE SUPPLY
NEGATIVE SUPPLY
PDIP20 (14+3+3)
ORDERING NUMBER: TDA7480L
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
Function
56
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