DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
Symbol Vs Io Io Ptot Tstg, Tj Supply voltage Output peak current (non repetitive) Output peak current (repetitive) Power dissipation: at Tamb = 80°C at Tamb = 90°C Storage and junction temperature Parameter Value 30 3.5 3 1 5 -40 to 150 Unit V A A W W °C Findip ORDERING NUMBER : TDA1908 APPLICATION CIRCUIT March 1993 1/12 TDA1908 PIN CONNECTION (top view) SCHEMATIC DIAGRAM 2/12 TDA1908 TEST CIRCUIT * See fig. 12 THERMAL DATA Symbol Rth j-tab Rth j-amb Thermal resistance junction-tab Thermal resistance junction-ambient Parameter max max Value 12 (°) 70 Unit °C/W °C/W (°) Obtained with tabs soltered to printed circuit board with min copper area. ELECTRICAL CHARACTERISTICS
(Refer to the test circuit, Tamb = 25 °C, Rth (heatsink)= 8 °C/W, unless otherwise specified) Symbol Vs Vo Parameter Supply voltage Quiescent output voltage Vs = 4V Vs = 18V Vs = 30V Vs = 4V Vs = 18V Vs = 30V IC = 1A IC = 2.5A Po Output power d = 10% Vs Vs Vs Vs Vs f = 1KHz = 9V RL = 4Ω = 14V RL = 4Ω = 18V RL = 4Ω = 22V RL = 8Ω = 24V RL = 16Ω Test conditions Min.