Ordering number : EN8273A LA5771MP Monolithic Linear IC LA5771MP Electrical Characteristics at Ta = 25C Ratings Parameter Symbol Conditions Unit min typ max Output voltage V V =15V, I=1.0A 3.173.30 3.43V O IN O Efficiency V =15V, I=1.0A 79 % IN O Switching frequency f V =15V, I=1.0A 128160 192kHz IN O Line regulation VOLINE V =8 to 20V, I=1.0A 25 80mV IN O Load regulation VOLOAD V =15V, I =0.5 to 1.5A 10 30 mV IN O Output voltage temperature coefficient VO/Ta Designeed target value* 0.5 mV/C Ripple attenuation factor RREJ F=100 to 120Hz 45 dB Current limiter operating voltage IS V=15V 3.1 A 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) 3275 Pd max - Ta 4.5 Mounted on a specified board: 4.5 10.0 1.3 4.0 114.3mm76.1mm1.6mm, 3.90 Copper foil ratio 60% FR4 3.5 3.0 2.5 2.0 1.5 (1.6) 1.7 0.9 0.2 1.0 2.7 0.4 0.5 0 -30 0 20 40 60 80 100 120 140 160 SANYO : SMP5 15 Ambient temperature, Ta - C ILA07131 Pin Assignment c VIN d SWOUT e GND f VOS g SS No.8273-2/5 4.5 (8.8) 1.2 9.9 1.5 Allowable power dissipation, Pd max - W