tda8589j NXP Semiconductors, tda8589j Datasheet - Page 13

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tda8589j

Manufacturer Part Number
tda8589j
Description
I2c-bus Controlled 4 45 Watt Power Amplifier And Multiple Voltage Regulator
Manufacturer
NXP Semiconductors
Datasheet

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Philips Semiconductors
Protection
All regulator and switch outputs are fully protected by
foldback current limiting against load dumps and
short-circuits; see Fig.6. During a load dump all regulator
outputs, except the output of regulator 2, will go low.
The power switches can withstand loss-of-ground. This
means that if pin GND becomes disconnected, the switch
is protected by automatically connecting its outputs to
ground.
2004 Feb 24
I
amplier and multiple voltage regulator
2
C-bus controlled 4
V O(REGn)
45 Watt power
Fig.6 Foldback current protection.
I sc
13
Temperature protection
If the junction temperature of a regulator becomes too
high, the amplifier(s) are switched off to prevent unwanted
noise signals being audible. A regulator junction
temperature that is too high is indicated by pin DIAG going
LOW and is also indicated by setting bit D6 in data byte 2.
If the junction temperature of the regulator continues to
rise and reaches the maximum temperature protection
level, all regulators and switches will be disabled except
regulator 2.
I limit
TDA8589J; TDA8589xJ
I O(REGn)
Product specication

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