SI-8000TFE

1-1-3 DC/DC Converter ICs SI-8000TFE Series Full-Mold, Separate Excitation Step-down Switching Mode ■Features Compact full-mold package (equivalent to TO220) Output current: 1.5 A High efficiency: 81% typ. (at Vo = 5 V) Requires only 4 discrete components Built-in reference oscillator (300 kHz) Built-in dropping-type-overcurrent and thermal protection circuits Output ON/OFF available (circuit current at output OFF: 200µA typ.) Soft start available by ON/OFF pin ■Applications Onboard local power supplies AV equipment OA equipment ■Lineup Part Number VO (V) IO (A) SI-8008TFE Variable (0.8 to 24) 1.5 SI-8050TFE 5 ■Absolute Maximum Ratings Parameter Symbol Ratings Unit Conditions DC Input Voltage VIN 43 V PD1-1 17.8 (with infinite heatsink) Limited by thermal protection, Tjmax=150°C Power Dissipation PD1-2 14.2 (with infinite heatsink) Tjmax=125°C W PD2-1 2.15 (without heat sink, standalone operation) Limited by thermal protection, Tjmax=150°C PD2-2 1.72 (without heatsink, standalone operation) Tjmax=125°C Junction Temperature* Tj –30 to +150 °C Storage Temperature Tstg –40 to +150 °C Thermal Resistance (Junction to Case) θ j-c 7 °C/W Thermal Resistance (Junction to Ambient Air) θj-a 58 °C/W *: This product has built-in thermal protection circuits that may operate when the junction temperature rises above 130°C. The recommended design for the junction temperature during operation is below 125°C. ■Recommended Operating ...