STK443 Fiche technique

SPECIFICATIONS STK443-090 1999.08.09 1. Case Outline 18Pins (See attached outline drawing) 2. Function class AB 3 channels AF power amplifier 3. Application 50W audio use 4. Maximum Ratings / Ta 25°C Item Symbol Conditions Power Supply Voltage 1 Vcc max(1) No signal Power Supply Voltag

Equivalent Block Diagram (STK443-090) 9 TR1 D2 TR2 R3 TR6 R8 C4 C1 10 TR3 11 TR4 R4 R5 TR8 C10 TR9 TR10 TR5 R2 R6 TR7 D1 C7 R7 C11 TR19 TR20 R13 TR16 D3 TR12 TR11 C2 TR18 R14 R15 C5 R18 TR14 TR13 TR17 R16 C8 R17 TR15 R12 1 C12 TR29 TR30 R23 TR26 D4 TR22 TR21 C3 TR28

Features r O IMST,2 Channels by 1 PowerSupply. r Smallshocknoisebecause of directcoupling emitter feedbacked. I STK-433-105 , 3 5 - 1 0 s , 4 3 6 - t o sa n d 4 4 1 - r o s 4 arefor the useof Tg=1g5oa. MAxfMUM RATTNGS/Ta=25"C MaximumSupplyVoltage I AF outputpowerSTK-433: 5Wmin.,STK-435: 7Wmin.,STK

Ordering number: EN2885A Thick Film Hybrid IC STK4432 AF Power Amplifier (25W + 25W min, THD = 1.0%) Features • Small and slim package with 31 mm height • Pin compatible with STK430 series heretofore in use • Greatly reduced heat sink due to case temperature 125°C guaranteed • Excellent