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LV5808MXZ Datasheet(PDF) 2 Page - Sanyo Semicon Device |
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LV5808MXZ Datasheet(HTML) 2 Page - Sanyo Semicon Device |
2 / 5 page LV5808MXZ No.A1614-2/5 Recommended Operating Conditions at Ta = 25 °C Parameter Symbol Conditions Ratings Unit VIN pin voltage VIN 8 to 28 V BOOT pin voltage VBT -0.3 to 33 V SW pin voltage VSW -0.4 to VIN V BOOT pin-SW pin maximum voltage VBS-SW 6.5 V FB, COMP, SS pin voltage VFSO 6 V Electrical Characteristics at Ta = 25°C, VIN = 12V, unless otherwise specified. Ratings Parameter Symbol Conditions min typ max Unit IC current drain at standby ICC1 EN=0V 70 μA IC current drain in operation ICC2 EN=open 5 mA Efficiency Effcy VIN=12V, IOUT=1A, Vo=5V, Design target *1 90 % Reference voltage Vref VIN=8V to 28V (±2%) -2% 0.8 +2% V FB pin bias current Iref FB=0.8V application 10 100 nA High-side ON resistance RonH BOOT=5V 0.3 Ω Low-side ON resistance RonL 6 Ω Oscillation frequency fOSC 296 370 444 kHz Oscillation frequency during short-circuit protection fOSCS 22 32 42 kHz EN high-threshold voltage Venh 1.9 V EN low-threshold voltage Venl 0.8 V EN pull-up current Ien EN=0V 16 μA Maximum ON DUTY D max 80 % Current limit peak value 1 Icl1 VIN=12V, VOUT=5V, L=10μH 3 A Thermal shutdown temperature Ttsd *Design guarantee *2 160 °C Thermal shutdown temperature hysteresis Dtsd *Design guarantee *2 40 °C Soft start current ISS SS=0V 6 10 14 μA *1: Reference value (not tested before shipment) *2: Design guarantee (value guaranteed by design and not tested before shipment) |
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