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LA5744MP Fiches technique(PDF) 2 Page - ON Semiconductor |
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LA5744MP Fiches technique(HTML) 2 Page - ON Semiconductor |
2 / 5 page LA5744MP No.A0587-2/5 Electrical Characteristics at Ta = 25°C, VO = 5V Ratings Parameter Symbol Conditions min typ max Unit Reference voltage VOS VIN = 15V, IO = 1.0A 1.20 1.23 1.26 V Efficiency η VIN = 15V, IO = 1.0A 83 % Switching frequency f VIN = 15V, IO = 1.0A 240 300 360 kHz Line regulation ΔVOLINE VIN = 8 to 20V, IO = 1.0A 40 100 mV Load regulation ΔVOLOAD VIN = 20V, IO = 0.5 to 1.5A 10 30 mV Output voltage temperature coefficient ΔVO/ΔTa Designed target value. * ±0.5 mV/ °C Ripple attenuation factor RREJ f = 100 to 120Hz 45 dB Current limiter operating voltage IS VIN = 15V 3.1 A Thermal shutdown operating temperature TSD Designed target value. * 165 °C Thermal shutdown Hysteresis width ΔTSD Designed target value. * 15 °C * Design target value : No measurement made. Package Dimensions unit : mm (typ) 3275 Pin Assignment (1) VIN (2) SWOUT (3) GND (4) VOS (5) SS SANYO : SMP5 10.0 1.3 4.5 2.7 0.4 1.7 (1.6) 0.9 15 0.2 Ambient temperature, Ta - °C 140 120 100 80 60 40 20 0 -20 -30 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Pd max - Ta MSG06072 160 4.5 3.90 Specified sbstrate: 76.1 ×114.3×1.6mm3 Copper foil ratio 60% FR4 |
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