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LP6288 Datasheet(PDF) 8 Page - Lowpower Semiconductor inc |
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LP6288 Datasheet(HTML) 8 Page - Lowpower Semiconductor inc |
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8 / 24 page  Preliminary Datasheet LP6288 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 8 of 24 LP6288 Version 0.1 JAN.-2018 Electrical Characteristics (Continued) (TA=25°C, VLI= VBKI1,3=12V, VAVDD=16.8V, VIO=3.3V, VCORE=1.2V, VHAVDD=8.1V, VGH=28V, VGL=-10.3V, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Isolation Switch Switch Supply Voltage VVLI 8 20 V SWI Over Voltage Protection VOVP 20.5 21.5 22.5 V SWI OVP Hysteresis ΔVOVP 1.5 V P-MOS Switch On Resistance RDS_ISO ILX=0.5A 100 200 mΩ Switch Current ILimit 3 A Short Circuit Trigger Duration ISWI ≥ 2.5A 1.5 ms ISWI ≥ 4.5A 100 us Boost Regulator Switch Leak Current ILeak VLX=16.5V 1 10 uA SWO Regulation Voltage Range VSWO VHVS=0V, Programmable Step 0.1V 13.5 19.8 V SWO Regulation Voltage Tolerance -1 +1 % HVS Voltage VHVS Programmable Step 0.2V 0 3 V NMOS Switch-ON Resistance RDS_BSTN ILX1=0.5A 100 mΩ PMOS Switch-ON Resistance RDS_BSTP ILX1=0.1A 10 15 Ω Current Limit ILimit 4.25 5 5.75 A Current Limit Negative Offset ILimit_Offset Programmable Step -0.2A 0 2.8 A Soft Start Time TSS_BST Programmable Step 10ms 20 30 ms SWO Line Regulation 8V≦VIN≦14V, ILoad=100mA 0.005 %/V SWO Load Regulation VIN=12V, 1mA≦ILoad≦2A 0.25 %/A SWO Fault Trip Level VSWO Falling 76 80 84 % Transcocnductance Gm ΔI=5uA 240 uA/V Voltage Gain AV 1000 V/V External Mode For Boost Regulator Gate Output High Level VOH_G 4.5 5.5 V Gate Output Low Level VOL_G 0 0.3 V Gate Source Current VSource_G 0.2 0.3 0.4 A Gate Sink Current VSink_G 0.2 0.3 0.4 A External Mode Current Limit Set Voltage VLimit 0.24 0.3 0.36 V |
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