Product Summary

(3) Thermal resistance qj-c Per power transistor: 1.9 ℃/W; (4) Junction temperature Tj max Both the Tjmax and Tcmax conditions must be met.: 150 ℃; 5) Operating IC substrate temperature Tc max Both the Tjmax and Tcmax conditions must be met.: 125 ℃; (6) Storage temperature Tstg ?0 to +125 ℃; (7) Allowable load shorted time *3 ts VH = ±43 V, VL = ±30 V, RL = 8 Ωf = 50 Hz, PO = 70 W, one channel operating: 0.3 s.

Parametrics

The STK412-240 provides high efficiency audio power amplification by controlling (switching) the supply voltage supplied to the power transistors according to the detected level of the input audio signal.

Features

STK412-240 absolute maximum ratings: (1) VL: Maximum supply voltage 3 (signal present) VL max(3) RL = 4 Ω : ±30 V; (2) VH-VL: Maximum supply voltage *4 VH-L max No load: 60 V;

Diagrams

<P><FONT face=Verdana>STK412240 features: (1) Pin compatible IC series that covers power ratings from 50 W 2 channels to 180 W 2 channels at 0.7 or 0.8% THD, 20 Hz to 20 kHz. This allows the use of a common PCB for all output classes.; 2) The pin arrangement is also unified with that of the threechannel STK413000 series. This means that PCBs designed for threechannel models can also be used for twochannel models.; ((3) Miniature package: 50 W/ch to 120 W/ch (THD = 0.8%, f = 20 Hz to 20 kHz): 64 36.58.5 mm*, 150 W/ch to 180 W/ch (THD = 0.7%, f = 20 Hz to 20 kHz): 78 449 mm*, * Not including the IC pins.; (4) Allowable load shorted time: 0.3 s.</FONT></P>
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