LA5757TP-TL-E ON Semiconductor

Ordering number : ENA1439 LA5757TP Monolithic Linear IC LA5757TP Electrical Characteristics at Ta = 25C, V = 5V O Ratings Parameter Symbol Conditions Unit min typ max Reference voltage V 1.230 1.255 1.280 V OS Efficiency 83 % Switching frequency f V = 15V, I = 1.0A 240 300 360 kHz IN O Line regulation VLINE V = 8 to 20V, I=1.0A 40 100mV O IN O Load regulation VLOAD V = 15V, I = 0.5 to 1.5A 10 30 mV O IN O Output voltage temperature coefficient V /Ta Designed target value* 0.5 mV/C O Ripple attenuation factor RREJ f = 100 to 120Hz 45 dB Current limiter operating voltage I V = 15V 1.6 A S IN Thermal shutdown operating temperature TSD Designed target value* 165 C Thermal shutdown hysteresis width TSD Designed target value* 15 C * Designed target value: No measurement made. Package Dimensions unit : mm (typ) 3332 Pd max -- Ta 1.4 3 Specified board: 114.376.11.6mm glass epoxy board. 6.5 1.2 2.3 With specified board 5.0 0.5 1.1 1 0.8 0.6 0.4 0.6 0.2 0.22 0.2 (0.65) 1.3 0.5 0.5 1.2 0 12 5 --30--20 0 20 40 60 80 100 120 140 Ambient temperature, Ta -- C SANYO : TP5HFA Pin Assignment (1)V (2)SW (3)GND (4)V (5)SS IN OUT OS No.A1439-2/6 0.8 2.5 (5.5) 1.5 7.0 1.2 Allowable power dissipation, Pd max -- W