Operating near maximum ratings reduces lifetime. Provide adequate heatsinking if I_OUT > 500mA.
The (and its variant HIGHWAY09A ) is a specialized controller integrated circuit primarily used in induction cookers and similar high-power domestic appliances. It typically comes in a DIP-16 or DIP-20 package. Technical Specifications highway 09 ic datasheet
Without a heatsink, a TO-252 package has a junction-to-ambient thermal resistance (θ_JA) of ~60°C/W. At 5.4W, the junction temperature would be: ( T_J = 25°C + (5.4W \times 60°C/W) = 349°C ) → Instant destruction. Operating near maximum ratings reduces lifetime
Optimized for low power consumption, making it ideal for battery-powered or energy-efficient consumer appliances. It typically comes in a DIP-16 or DIP-20 package
: A Digital Switch Memory Interface capable of routing slots across 16 incoming PCM highways. MB6020A Series : Single-chip PCM codecs from that use highway-style serial interfaces. Am79C02/3 (DSLAC)