MSOP8 Thermal Resistance and Derating Information MSOP8 1.1W devices (Single Die) j-a=113°C/W Maximum Mounted on a FR4 p.c.b. of 25mm x 25mm with high coverage of single sided 1oz copper, in still air conditions. Thermal Resistance (°C/W) 120 100 80 D=0.5 60 40 Single Pulse D=0.2 20 D=0.05 D=0.1 0 100µ 1m 10m 100m 1 10 100 1k Pulse Width (s) MSOP8 1.1W Derating (Single Die) Transient Thermal Impedance MSOP8 0.87W Derating (One Active Die) 1.0 0.8 0.6 0.4 0.2 0.0 0 20 40 60 80 100 120 140 160 Temperature (°C) Derating Curve 0.8 0.6 0.4 0.2 0.0 0 20 40 60 80 100 120 140 160 MSOP8 0.87W devices (One Active Die) Temperature (°C) Derating Curve j-a=143°C/W Maximum One Active Die Thermal Resistance (°C/W) Max Power Dissipation (W) 1.0 Max Power Dissipation (W) 1.2 140 120 100 80 D=0.5 60 40 Single Pulse D=0.2 D=0.05 20 D=0.1 0 100µ 1m 10m 100m 1 10 100 Pulse Width (s) Transient Thermal Impedance 1k