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參數(shù)資料
| 型號： | TDA2006V |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 12W AUDIO AMPLIFIER |
| 中文描述： | 12瓦音頻放大器 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 193K |
| 代理商： | TDA2006V |
SHORT CIRCUIT PROTECTION
The TDA2006 has an original circuit which limits
the current of the output transistors. Figure 18
shows that the maximum output current is a func-
tion of the collector emitter voltage ; hence the
output transistors work within their safe operating
area (Figure 19).
Thisfunctioncan thereforebe consideredasbeing
peak powerlimiting rather than simple current lim-
iting.
It reducesthe possibilitythat the devicegets dam-
aged during an accidental short circuit from AC
output to ground.
Figure18 :
Maximum Output Currentversus
Voltage V
CE (sat)
accross each Out-
put Transistor
Figure 19 :
SafeOperating Area and Collector
Characteristics of the Protected
PowerTransistor
THERMALSHUT DOWN
The presenceof a thermallimiting circuitoffers the
followingadvantages:
1) an overload on the output (even if it is
permanent), or an above limit ambient
temperaturecan be easily supported since the
T
j
cannot be higherthan 150
°
C.
2) the heatsinkcan havea smallerfactor of safety
compared with that of a conventional circuit.
Thereis no possibility of devicedamage due to
high junction temperature.
If for any reason, the junction temperature in-
creasesupto 150
°
C, thethermalshutdownsimply
reducesthe powerdissipation andthecurrent con-
sumption.
The maximum allowable power dissipation de-
pends upon the size of the external heatsink (i.e.
its thermalresistance) ; Figure 22 shows the dissi-
pablepower as a function of ambient temperature
for differentthermal resistances.
Figure 20 :
Output Power and DrainCurrent ver-
susCase Temlperature (R
L
= 4
)
Figure 21 :
Output Power and DrainCurrent ver-
susCase Temlperature (R
L
= 8
)
TDA2006
9/12
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA2007A | RES 16 OHM 1W 5% 2512 SMD |
| TDA2007 | 6 + 6W STEREO AMPLIFIER |
| TDA2008 | 12W AUDIO AMPLIFIER Vs = 22V, RL= 4ohm |
| TDA2008V | 12W AUDIO AMPLIFIER Vs = 22V, RL= 4ohm |
| TDA2009 | 10 +10W STEREO AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA2007 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:6 + 6W STEREO AMPLIFIER |
| TDA2007A | 功能描述:音頻放大器 6+6W Stereo Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA2008 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:12W AUDIO AMPLIFIER Vs = 22V, RL= 4ohm |
| TDA2008V | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:12W AUDIO AMPLIFIER Vs = 22V, RL= 4ohm |
| TDA2009 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:10 +10W STEREO AMPLIFIER |
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