Product Summary

The STK433-320 is a hybrid IC designed to be used in 80W × 3ch class AB audio power amplifiers.

Parametrics

STK433-320 absolute maximum ratings: (1)Maximum power supply voltage VCC max (0)Non signal: ±54 V; (2)Maximum power supply voltage VCC max (1)RL≥6Ω: ±47 V; (3)Minimum operating supply voltage VCC min: ±10 V; (4)#13 Operating voltage VST OFF max: -0.3 to +5.5 V; (5)Thermal resistance θj-c Per one power transistor: 2.1 °C/W; (6)Storage temperature Tstg: -30 to +125 °C; (7)Allowable time for load short circuit ts VCC=±33V, RL=6Ω, f=50Hz, PO=50W, 1-channel active: 0.3 s.

Features

STK433-320 features: (1)Pin-to-pin compatible outputs ranging from 80W to 150W.; (2)Can be used to replace the STK433-000/-100 series (30W to 150W × 2ch)and STK433-200(A)series (30W to 60W × 3ch); (3)due to its pin compatibility; (4)Miniature package (64.0mm × 36.6mm × 9.0mm); (5)Output load impedance: RL = 6Ω to 4Ω supported; (6)Allowable load shorted time: 0.3 second; (7)Allows the use of predesigned applications for standby and mute circuits.

Diagrams

 STK433-320 dimension

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STK433-320-E
STK433-320-E

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