TDA7482 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7482 Datasheet PDF : 7 Pages
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TDA7482
Table 2. Pin Description
N°
Pin
Function
1
OUT
PWM OUTPUT
2
BOOTDIODE BOOTSTRAP DIODE ANODE
3
BOOT
BOOTSTRAP
4
NC
NOT CONNECTED
5
FEEDCAP FEEDBACK INTEGRATING CAPACITOR
6
FREQ
SETTING FREQUENCY RESISTOR
7
SGN-GND SIGNAL GROUND
8
–VCC SIGN SIGNAL NEGATIVE SUPPLY
9
IN
INPUT
10
ST-BY/MUTE CONTROL STATE PIN
11
+VCC SIGN POSITIVE SIGNAL SUPPLY
12
VREG
INTERNAL VOLTAGE REGULATOR
13
+VCC POW POSITIVE POWER SUPPLY
14
-VCC POW NEGATIVE POWER SUPPLY (to be connected to pin 13 via C5)
15
-VCC POW NEGATIVE POWER SUPPLY (to be connected to pin 13 via C5)
Table 3. Absolute Maximum Ratings
Symbol
VCC
Ptot
Tstg, Tj
VFREQ
Top
ESD
Parameter
DC Supply Voltage
Power Dissipation Tcase = 70°C
Storage and Junction Temperature –40 to 150
Maximum Voltage Across RF (pin6)
Operating Temperature Range
Max ESD on Pins
Figure 3.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TAB CONNECTED TO PIN 8
Value
±28
35
°C
8
0 to 70
±1.2
-VCC POW
-VCC POW
+VCC POW
VREG
+VCC SIGN
ST-BY/MUTE
IN
-VCC SIGN
SGN-GND
FREQ
FEEDCAP
N.C.
BOOT
BOOTDIODE
OUT
D96AU539A
Table 4. Thermal Data
Symbol
Parameter
Tth j-case Thermal Resistance Junction-case
Value
1.8 to 2.5
2/7
Unit
V
W
V
°C
KV
Unit
°C/W
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