NSI50350ADT4G Constant Current Regulator & LED Driver 50 V, 350 mA 10%, 11 W Package The linear constant current regulator (CCR) is a simple, economical and robust device designed to provide a costeffective solution for NSI50350ADT4G MAXIMUM RATINGS (T = 25C unless otherwise noted) A Rating Symbol Value Unit AnodeCathode Voltage Vak Max 50 V Reverse Voltage V 500 mV R Operating and Storage Junction Temperature Range T , T 55 to +175 C J stg ESD Rating: Human Body Model ESD Class 3B (8000 V) Machine Model Class C (400 V) Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. ELECTRICAL CHARACTERISTICS (T = 25C unless otherwise noted) A Characteristic Symbol Min Typ Max Unit Steady State Current Vak = 7.5 V (Note 1) I 315 350 385 mA reg(SS) Voltage Overhead (Note 2) V 1.8 V overhead Pulse Current Vak = 7.5 V (Note 3) I 376.5 424 474.5 mA reg(P) 2 1. I steady state is the voltage (Vak) applied for a time duration 300 sec, using 900 mm DENKA K1, 1.5 mm Al, 2kV Thermally reg(SS) conductive dielectric, 2 oz. Cu (or equivalent), in still air. 2. V = V V . V is typical value for 70% I . overhead in LEDs overhead reg(SS) 3. I nonrepetitive pulse test. Pulse width t 360 sec. reg(P) Figure 1. CCR VoltageCurrent Characteristic