LA47503 查看數據表（PDF） - SANYO -> Panasonic
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LA47503 Datasheet PDF : 3 Pages
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Ordering number : ENN*7873
LA47503
Monolithic Linear IC
For Car Audio
BTL 4ch (50W×4) Power IC
Overview
The LA47503 is a BTL 4ch (50W×4) power IC for car audio.
Functions
• Maximum output display 48W×4 (VCC = 14.4V, 4Ω, 1kHz, average measurement)
• 43W×4 (VCC = 14.4V, 4Ω, 1kHz)
• Equipped an electric mirror noise control pin.
• Built-in mute function.
• Built-in stand-by SW.
• Various types of built-in protection circuits (Air fault, ground fault, load short, over voltage and heat protections)
• GND open ground fault resistance amount 16V.
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum power supply voltage
Maximum output current
Allowable power dissipation
Operating ambient temperature
Storage ambient temperature
Heat resistance between junction part
and case
Symbol
VCC max1
VCC max2
IO peak
Pd max
Topr
Tstg
θj-c
Conditions
When signal is ON
When signal is OFF
Infinite heatsink
Ratings
18
26
4.5/ch
50
-40 to +85
-40 to +150
1
Unit
V
V
A
W
°C
°C
°C/W
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Recommended load resistance
Operating supply voltage range
Symbol
VCC
RL
VCC op
Conditions
Ratings
Unit
14.4
V
4
Ω
9 to 18
V
52504 JO IM No.7873-1/3
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