MAXIMUM RATINGS
(Full operating ambient temperature range applies, unless otherwise noted.) Rating Symbol TL494C TL494I Unit Power Supply Voltage Collector Output Voltage Collector Output Current (Each transistor) (Note 1) VCC 42 V VC1, 42 V VC2 IC1, IC2 500 mA Amplifier Input Voltage Range Power Dissipation @ TA ≤ 45°C Thermal Resistance, Junction–to–Ambient VIR PD RθJA –0.3 to +42 1000 80 V mW °C/W Operating Junction Temperature TJ Storage Temperature Range Tstg Operating Ambient Temperature Range TA TL494C TL494I 125 °C –55 to +125 °C °C 0 to +70 – 25 to +85 Derating Ambient Temperature TA NOTE: 1. Maximum thermal limits must be observed. 45 °C Noninv Input 1 Inv Input 2 + Error –Amp 1 Compen/PWN Comp Input 3 Deadtime Control 4 ≈ 0.1 V + 2 Error Amp– VCC 5.0 V REF 16 Noninv Input 15 Inv Input 14 Vref 13 Output Control CT 5 RT 6 Ground 7 Oscillator 12 VCC 11 C2 Q2 10 E2 C1 8 Q1 9 E1 (Top View) ORDERING INFORMATION Device Operating Temperature Range Package TL494CD TL494CN TA = 0° to +70°C SO–16 Plastic TL494IN TA = – 25° to +85°C Plastic MOTOROLA ANALOG IC DEVICE DATA © Motorola, Inc.