LA42152 Просмотр технического описания (PDF) - SANYO -> Panasonic
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LA42152 Datasheet PDF : 9 Pages
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Features of IC Inside and Usage Note
LA42352
Standby function
• Pin 5 is the standby switch pin. The amplifier is turned on by applying approximately 3V or more to this pin through an
external resistor (R3).
• If voltage in excess of 10V is to be applied to the standby switch, calculate the value of R3 using the following formula
so that the current flowing into pin 5 is 500µA or less:
(Applied voltage − 2VBE (≈1.4V))
R3 =
500µA
− 15kΩ
Protector
• In order to prevent damage or degradation which may be caused by abnormally heated IC, the LA42352 has a thermal
shutdown protector. Accordingly, if the IC junction temperature (Tj) climbs to around 160°C due to inadequate heat
dissipation, the thermal shutdown protector will operate to control the output gradually into attenuation.
No.A0078-6/9
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