LA5724MC-BH ON Semiconductor

Ordering number : ENA2021 LA5724MC Monolithic Linear IC Separately-Excited Step-Down LA5724MC Electrical Characteristics at Ta = 25C, V = 15V IN Ratings Parameter Symbol Conditions Unit min typ max Reference voltage V I = 0.3A 1.20 1.23 1.26 V OS O Reference pin bias current I 1 2 A FB Switching frequency fosc 128 160 192 kHz Efficiency V = 5V, I = 0.3A 82 % OUT O Short-circuit protection circuit fscp 30 kHz operating switching frequency Saturation voltage Vsat I = 0.3A, V = 0V 1.2 V OUT OS Maximum on duty D max V = 0V 100 % OS Minimum on duty D min V = 5V 0 % OS Output leakage current Ilk SW = -1V 200 A OUT Supply current Iin V = 2V 5 10 mA OS Current limiter operating current I 0.7 A S Thermal shutdown operating TSD Designed target value. * 165 C temperature Thermal shutdown Hysteresis TSD Designed target value. * 15 C width * Design target value : No measurement made. Package Dimensions unit : mm (typ) 3424 4.9 Pd max -- Ta 1 8 3 Designated board : 114.376.11.6mm glass epoxy 0.8 Mounted on a board 0.75 0.6 12 1.27 0.42 0.2 0.4 0.2 0.15 0 --30 0 30 60 90 120 150 Ambient temperature, Ta - C SANYO : SOIC8 No.A2021-2/6 0.175 3.9 6.0 1.75 MAX 0.375 0.835 Allowable power dissipation, Pd max - W